10-K Filing

KADANT INC CIK: 886346 FY 2016

Filing Information

Form Type	10-K
Accession Number	`0000886346-17-000054`
Period End Date	20161231
Filing Date	20170315
Fiscal Year	2016
Fiscal Period	FY
XBRL Instance	kai-20161231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 88 Income Statement 161 Cash Flow Statement 133 Stockholders Equity 24 Comprehensive Income 30

Balance Sheet 88 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable, allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.16M	USD	Point-in-time
Accounts receivable, allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.40M	USD	Point-in-time
Preferred stock, par value (in usd per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, par value (in usd per share)	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$45.38M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$50.03M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$71.49M	USD	Point-in-time
Preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$65.53M	USD	Point-in-time
Preferred stock, issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$1.41M	USD	Point-in-time
Preferred stock, issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$2.08M	USD	Point-in-time
Accounts receivable, less allowances of $2,395 and $2,163	`AccountsReceivableNetCurrent`	$64.32M	USD	Point-in-time
Common stock, par value (in usd per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accounts receivable, less allowances of $2,395 and $2,163	`AccountsReceivableNetCurrent`	$65.96M	USD	Point-in-time
Common stock, par value (in usd per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Inventories	`InventoryNet`	$54.95M	USD	Point-in-time
Inventories	`InventoryNet`	$56.76M	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	14.62M	shares	Point-in-time
Unbilled contract costs and fees	`UnbilledReceivablesCurrent`	$3.07M	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	14.62M	shares	Point-in-time
Unbilled contract costs and fees	`UnbilledReceivablesCurrent`	$6.58M	USD	Point-in-time
Treasury stock (in shares)	`TreasuryStockShares`	3.85M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$10.53M	USD	Point-in-time
Treasury stock (in shares)	`TreasuryStockShares`	3.69M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$9.80M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$205.12M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$207.35M	USD	Point-in-time
Property, Plant, and Equipment, at Cost, Net	`PropertyPlantAndEquipmentNet`	$42.29M	USD	Point-in-time
Property, Plant, and Equipment, at Cost, Net	`PropertyPlantAndEquipmentNet`	$47.70M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$11.00M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$11.45M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$38.03M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$52.73M	USD	Point-in-time
Goodwill	`Goodwill`	$151.46M	USD	Point-in-time
Goodwill	`Goodwill`	$127.88M	USD	Point-in-time
Goodwill	`Goodwill`	$119.05M	USD	Point-in-time
Total Assets	`Assets`	$470.69M	USD	Point-in-time
Total Assets	`Assets`	$413.75M	USD	Point-in-time
Total Assets	`Assets`	$415.50M	USD	Point-in-time
Short-term obligations (Note 6)	`LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths`	$643.00K	USD	Point-in-time
Short-term obligations (Note 6)	`LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths`	$5.25M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$23.93M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$24.42M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$20.51M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$19.58M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$21.17M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$20.12M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	$2.74M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	$5.33M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$21.92M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$19.93M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$96.63M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$88.91M	USD	Point-in-time
Long-Term Deferred Income Taxes (Note 5)	`DeferredIncomeTaxLiabilitiesNet`	$8.99M	USD	Point-in-time
Long-Term Deferred Income Taxes (Note 5)	`DeferredIncomeTaxLiabilitiesNet`	$14.63M	USD	Point-in-time
Other Long-Term Liabilities (Note 3)	`OtherLiabilitiesNoncurrent`	$17.10M	USD	Point-in-time
Other Long-Term Liabilities (Note 3)	`OtherLiabilitiesNoncurrent`	$15.93M	USD	Point-in-time
Long-Term Obligations (Note 6)	`LongTermDebtAndCapitalLeaseObligations`	$65.77M	USD	Point-in-time
Long-Term Obligations (Note 6)	`LongTermDebtAndCapitalLeaseObligations`	$26.00M	USD	Point-in-time
Commitments and Contingencies (Note 7)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 7)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred stock, $.01 par value, 5,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $.01 par value, 5,000,000 shares authorized; none issued	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $.01 par value, 150,000,000 shares authorized; 14,624,159 shares issued	`CommonStockValue`	$146.00K	USD	Point-in-time
Common stock, $.01 par value, 150,000,000 shares authorized; 14,624,159 shares issued	`CommonStockValue`	$146.00K	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapital`	$101.41M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapital`	$100.54M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$297.26M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$321.05M	USD	Point-in-time
Treasury stock at cost, 3,686,532 and 3,850,779 shares	`TreasuryStockValue`	$94.36M	USD	Point-in-time
Treasury stock at cost, 3,686,532 and 3,850,779 shares	`TreasuryStockValue`	$90.33M	USD	Point-in-time
Accumulated other comprehensive items (Note 13)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-49.64M	USD	Point-in-time
Accumulated other comprehensive items (Note 13)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-36.97M	USD	Point-in-time
Total Kadant Stockholders' Equity	`StockholdersEquity`	$282.63M	USD	Point-in-time
Total Kadant Stockholders' Equity	`StockholdersEquity`	$266.61M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$1.65M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$1.34M	USD	Point-in-time
Total Stockholders' Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$267.94M	USD	Point-in-time
Total Stockholders' Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$284.28M	USD	Point-in-time
Total Stockholders' Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$270.42M	USD	Point-in-time
Total Stockholders' Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$265.46M	USD	Point-in-time
Total Liabilities and Stockholders' Equity	`LiabilitiesAndStockholdersEquity`	$470.69M	USD	Point-in-time
Total Liabilities and Stockholders' Equity	`LiabilitiesAndStockholdersEquity`	$415.50M	USD	Point-in-time

Income Statement 161 line items

Line Item	Tag	Value	Unit	Period
Revenues (Note 11)	`SalesRevenueNet`	$107.60M	USD	1 Quarter
Income (Loss) from Discontinued Operation, income tax (provision) benefit	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$43.00K	USD	Annual
Revenues (Note 11)	`SalesRevenueNet`	$402.13M	USD	Annual
Revenues (Note 11)	`SalesRevenueNet`	$390.11M	USD	Annual
Revenues (Note 11)	`SalesRevenueNet`	$98.33M	USD	1 Quarter
Income (Loss) from Discontinued Operation, income tax (provision) benefit	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$-14.00K	USD	Annual
Revenues (Note 11)	`SalesRevenueNet`	$414.13M	USD	Annual
Revenues (Note 11)	`SalesRevenueNet`	$91.93M	USD	1 Quarter
Revenues (Note 11)	`SalesRevenueNet`	$92.25M	USD	1 Quarter
Revenues (Note 11)	`SalesRevenueNet`	$100.24M	USD	1 Quarter
Revenues (Note 11)	`SalesRevenueNet`	$105.52M	USD	1 Quarter
Revenues (Note 11)	`SalesRevenueNet`	$111.83M	USD	1 Quarter
Income (Loss) from Discontinued Operation, income tax (provision) benefit	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$2.00K	USD	Annual
Revenues (Note 11)	`SalesRevenueNet`	$96.54M	USD	1 Quarter
Cost of revenues	`CostOfGoodsAndServicesSold`	$223.75M	USD	Annual
Cost of revenues	`CostOfGoodsAndServicesSold`	$225.74M	USD	Annual
Cost of revenues	`CostOfGoodsAndServicesSold`	$209.98M	USD	Annual
Selling, general, and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$135.75M	USD	Annual
Selling, general, and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$122.81M	USD	Annual
Selling, general, and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$129.32M	USD	Annual
Research and development expenses	`ResearchAndDevelopmentExpense`	$7.38M	USD	Annual
Research and development expenses	`ResearchAndDevelopmentExpense`	$6.68M	USD	Annual
Research and development expenses	`ResearchAndDevelopmentExpense`	$6.16M	USD	Annual
Other income and restructuring costs (Note 8)	`RestructuringAndOtherCostsIncomeNet`	$-317.00K	USD	Annual
Other income and restructuring costs (Note 8)	`RestructuringAndOtherCostsIncomeNet`	$515.00K	USD	Annual
Other income and restructuring costs (Note 8)	`RestructuringAndOtherCostsIncomeNet`	$805.00K	USD	Annual
Total Costs and Operating Expenses	`CostsAndExpenses`	$339.99M	USD	Annual
Total Costs and Operating Expenses	`CostsAndExpenses`	$368.55M	USD	Annual
Total Costs and Operating Expenses	`CostsAndExpenses`	$360.04M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$50.12M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$42.09M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$45.57M	USD	Annual
Interest Income	`InvestmentIncomeInterest`	$269.00K	USD	Annual
Interest Income	`InvestmentIncomeInterest`	$398.00K	USD	Annual
Interest Income	`InvestmentIncomeInterest`	$200.00K	USD	Annual
Interest Expense	`InterestExpense`	$1.29M	USD	Annual
Interest Expense	`InterestExpense`	$948.00K	USD	Annual
Interest Expense	`InterestExpense`	$966.00K	USD	Annual
Income from Continuing Operations Before Provision for Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$44.55M	USD	Annual
Income from Continuing Operations Before Provision for Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$41.52M	USD	Annual
Income from Continuing Operations Before Provision for Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$49.37M	USD	Annual
Provision for Income Taxes (Note 5)	`IncomeTaxExpenseBenefit`	$12.08M	USD	Annual
Provision for Income Taxes (Note 5)	`IncomeTaxExpenseBenefit`	$12.45M	USD	Annual
Provision for Income Taxes (Note 5)	`IncomeTaxExpenseBenefit`	$14.76M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$34.61M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$29.07M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$32.47M	USD	Annual
Income (Loss) from Discontinued Operation (net of income tax (provision) benefit of $(2), $(43), and $14 in 2016, 2015, and 2014, respectively)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$74.00K	USD	Annual
Income (Loss) from Discontinued Operation (net of income tax (provision) benefit of $(2), $(43), and $14 in 2016, 2015, and 2014, respectively)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$3.00K	USD	Annual
Income (Loss) from Discontinued Operation (net of income tax (provision) benefit of $(2), $(43), and $14 in 2016, 2015, and 2014, respectively)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-23.00K	USD	Annual
Net Income	`ProfitLoss`	$29.05M	USD	Annual
Net Income	`ProfitLoss`	$32.47M	USD	Annual
Net Income	`ProfitLoss`	$34.68M	USD	Annual
Net Income Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$392.00K	USD	Annual
Net Income Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$389.00K	USD	Annual
Net Income Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$294.00K	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$32.08M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$10.38M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$6.88M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.64M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$7.73M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.31M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$34.39M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$9.16M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$6.90M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.46M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$28.66M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$8.47M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$32.07M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$9.15M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$28.68M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$10.37M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$6.83M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$8.65M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$6.88M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$7.73M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$34.31M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$8.31M	USD	1 Quarter
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$65.00K	USD	1 Quarter
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-5.00K	USD	1 Quarter
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-4.00K	USD	1 Quarter
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$3.00K	USD	Annual
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-23.00K	USD	Annual
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$18.00K	USD	1 Quarter
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$74.00K	USD	Annual
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$3.00K	USD	1 Quarter
Income (Loss) from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$32.08M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$10.38M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$6.88M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.64M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$7.73M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.31M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$34.39M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$9.16M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$6.90M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.46M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$28.66M	USD	Annual
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.80	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.71	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.84	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.64	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.63	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.77	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.61	USD	Annual
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$3.16	USD	Annual
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.76	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.95	USD	Annual
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.96	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.94	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.82	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.62	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$3.09	USD	Annual
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.56	USD	Annual
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.62	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.78	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.69	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.88	USD	Annual
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.75	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.76	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.76	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.64	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.80	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.96	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.95	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.84	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.63	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.61	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.16	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.77	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.71	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.94	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.69	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.62	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.75	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.76	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.10	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.56	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.62	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.78	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.82	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.88	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	10.87M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	10.99M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	10.87M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	11.09M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	11.15M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	11.21M	shares	Annual
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.17	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.17	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.19	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.68	USD	Annual
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.17	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.19	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.76	USD	Annual
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.60	USD	Annual
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.19	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.19	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.17	USD	1 Quarter

Cash Flow Statement 133 line items

Line Item	Tag	Value	Unit	Period
Net Income Attributable to Kadant	`NetIncomeLoss`	$32.08M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$10.38M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$6.88M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.64M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$7.73M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.31M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$34.39M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$9.16M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$6.90M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.46M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$28.66M	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$392.00K	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$389.00K	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$294.00K	USD	Annual
(Income) loss from discontinued operation	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$74.00K	USD	Annual
(Income) loss from discontinued operation	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$3.00K	USD	Annual
(Income) loss from discontinued operation	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-23.00K	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$34.61M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$29.07M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$32.47M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$14.33M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$10.82M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$11.19M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$5.81M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$5.07M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$5.74M	USD	Annual
Tax benefits from stock-based compensation awards	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	-	USD	Annual
Tax benefits from stock-based compensation awards	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$881.00K	USD	Annual
Tax benefits from stock-based compensation awards	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$771.00K	USD	Annual
Provision for losses on accounts receivable	`ProvisionForDoubtfulAccounts`	$379.00K	USD	Annual
Provision for losses on accounts receivable	`ProvisionForDoubtfulAccounts`	$246.00K	USD	Annual
Provision for losses on accounts receivable	`ProvisionForDoubtfulAccounts`	$453.00K	USD	Annual
(Gain) loss on sale of property, plant, and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$350.00K	USD	Annual
(Gain) loss on sale of property, plant, and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-4.00K	USD	Annual
(Gain) loss on sale of property, plant, and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$118.00K	USD	Annual
Deferred income tax (benefit) provision	`DeferredIncomeTaxExpenseBenefit`	$2.95M	USD	Annual
Deferred income tax (benefit) provision	`DeferredIncomeTaxExpenseBenefit`	$-613.00K	USD	Annual
Deferred income tax (benefit) provision	`DeferredIncomeTaxExpenseBenefit`	$-1.71M	USD	Annual
Other items, net	`IncreaseDecreaseInOtherOperatingAssets`	$-1.32M	USD	Annual
Other items, net	`IncreaseDecreaseInOtherOperatingAssets`	$287.00K	USD	Annual
Other items, net	`IncreaseDecreaseInOtherOperatingAssets`	$-1.36M	USD	Annual
Contributions to U.S. pension plan	`PensionContributions`	$1.08M	USD	Annual
Contributions to U.S. pension plan	`PensionContributions`	$1.08M	USD	Annual
Contributions to U.S. pension plan	`PensionContributions`	$1.08M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$10.64M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-8.43M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-1.00M	USD	Annual
Unbilled contract costs and fees	`IncreaseDecreaseInUnbilledReceivables`	$-3.41M	USD	Annual
Unbilled contract costs and fees	`IncreaseDecreaseInUnbilledReceivables`	$1.53M	USD	Annual
Unbilled contract costs and fees	`IncreaseDecreaseInUnbilledReceivables`	$2.28M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-5.07M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-3.55M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$6.49M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-1.50M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-753.00K	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$563.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-5.24M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$652.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-1.75M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-8.82M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$11.73M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-4.11M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$40.41M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$51.11M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$51.00M	USD	Annual
Net cash provided by (used in) discontinued operation	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$3.00K	USD	Annual
Net cash provided by (used in) discontinued operation	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-38.00K	USD	Annual
Net cash provided by (used in) discontinued operation	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$5.00K	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$51.12M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$51.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$40.37M	USD	Annual
Acquisitions, net of cash acquired (Note 2)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$11.98M	USD	Annual
Acquisitions, net of cash acquired (Note 2)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$56.62M	USD	Annual
Acquisitions, net of cash acquired (Note 2)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Purchases of property, plant, and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$6.75M	USD	Annual
Purchases of property, plant, and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.48M	USD	Annual
Purchases of property, plant, and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.80M	USD	Annual
Proceeds from sale of property, plant, and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$428.00K	USD	Annual
Proceeds from sale of property, plant, and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$30.00K	USD	Annual
Proceeds from sale of property, plant, and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$242.00K	USD	Annual
Net cash used in continuing operations for investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-5.45M	USD	Annual
Net cash used in continuing operations for investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-61.99M	USD	Annual
Net cash used in continuing operations for investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-18.50M	USD	Annual
Proceeds from issuance of short- and long-term obligations	`ProceedsFromIssuanceOfDebt`	$24.51M	USD	Annual
Proceeds from issuance of short- and long-term obligations	`ProceedsFromIssuanceOfDebt`	$51.05M	USD	Annual
Proceeds from issuance of short- and long-term obligations	`ProceedsFromIssuanceOfDebt`	$24.00M	USD	Annual
Repayments of short- and long-term obligations	`RepaymentsOfDebt`	$18.43M	USD	Annual
Repayments of short- and long-term obligations	`RepaymentsOfDebt`	$36.95M	USD	Annual
Repayments of short- and long-term obligations	`RepaymentsOfDebt`	$18.61M	USD	Annual
Purchases of Company common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Purchases of Company common stock	`PaymentsForRepurchaseOfCommonStock`	$15.14M	USD	Annual
Purchases of Company common stock	`PaymentsForRepurchaseOfCommonStock`	$9.91M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$8.04M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$7.18M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$6.34M	USD	Annual
Tax withholding payments related to stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.24M	USD	Annual
Tax withholding payments related to stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.50M	USD	Annual
Tax withholding payments related to stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.57M	USD	Annual
Proceeds from issuance of Company common stock	`ProceedsFromIssuanceOfCommonStock`	$2.35M	USD	Annual
Proceeds from issuance of Company common stock	`ProceedsFromIssuanceOfCommonStock`	$1.12M	USD	Annual
Proceeds from issuance of Company common stock	`ProceedsFromIssuanceOfCommonStock`	$754.00K	USD	Annual
Payment of contingent consideration (Note 2)	`PaymentOfContingentConsiderationFinancingActivities`	-	USD	Annual
Payment of contingent consideration (Note 2)	`PaymentOfContingentConsiderationFinancingActivities`	$1.09M	USD	Annual
Payment of contingent consideration (Note 2)	`PaymentOfContingentConsiderationFinancingActivities`	-	USD	Annual
Change in restricted cash	`ChangeInRestrictedCash`	$1.07M	USD	Annual
Change in restricted cash	`ChangeInRestrictedCash`	$789.00K	USD	Annual
Change in restricted cash	`ChangeInRestrictedCash`	$299.00K	USD	Annual
Tax benefits from stock-based compensation awards	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$771.00K	USD	Annual
Tax benefits from stock-based compensation awards	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$881.00K	USD	Annual
Tax benefits from stock-based compensation awards	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	-	USD	Annual
Other items	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other items	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other items	`ProceedsFromPaymentsForOtherFinancingActivities`	$189.00K	USD	Annual
Net cash provided by (used in) continuing operations for financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$22.67M	USD	Annual
Net cash provided by (used in) continuing operations for financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-13.63M	USD	Annual
Net cash provided by (used in) continuing operations for financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-34.57M	USD	Annual
Exchange Rate Effect on Cash and Cash Equivalents from Continuing Operations	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-2.70M	USD	Annual
Exchange Rate Effect on Cash and Cash Equivalents from Continuing Operations	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-5.71M	USD	Annual
Exchange Rate Effect on Cash and Cash Equivalents from Continuing Operations	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-1.15M	USD	Annual
Change in Cash from Discontinued Operation	`NetCashProvidedByUsedInDiscontinuedOperations`	$-5.00K	USD	Annual
Change in Cash from Discontinued Operation	`NetCashProvidedByUsedInDiscontinuedOperations`	-	USD	Annual
Change in Cash from Discontinued Operation	`NetCashProvidedByUsedInDiscontinuedOperations`	-	USD	Annual
Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-4.65M	USD	Annual
Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$5.96M	USD	Annual
Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$20.15M	USD	Annual
Cash and Cash Equivalents at Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$45.38M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$50.03M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$71.49M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$65.53M	USD	Point-in-time
Cash and Cash Equivalents at End of Year	`CashAndCashEquivalentsAtCarryingValue`	$45.38M	USD	Point-in-time
Cash and Cash Equivalents at End of Year	`CashAndCashEquivalentsAtCarryingValue`	$50.03M	USD	Point-in-time
Cash and Cash Equivalents at End of Year	`CashAndCashEquivalentsAtCarryingValue`	$71.49M	USD	Point-in-time
Cash and Cash Equivalents at End of Year	`CashAndCashEquivalentsAtCarryingValue`	$65.53M	USD	Point-in-time

Stockholders Equity 24 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$267.94M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$284.28M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$270.42M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$265.46M	USD	Point-in-time
Net Income	`ProfitLoss`	$29.05M	USD	Annual
Net Income	`ProfitLoss`	$32.47M	USD	Annual
Net Income	`ProfitLoss`	$34.68M	USD	Annual
Dividends declared	`Dividends`	$7.38M	USD	Annual
Dividends declared	`Dividends`	$8.29M	USD	Annual
Dividends declared	`Dividends`	$6.58M	USD	Annual
Activity under stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.89M	USD	Annual
Activity under stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.94M	USD	Annual
Activity under stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.16M	USD	Annual
Tax benefits related to employees' and directors' stock plans	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$881.00K	USD	Annual
Tax benefits related to employees' and directors' stock plans	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$771.00K	USD	Annual
Purchases of Company common stock	`TreasuryStockValueAcquiredCostMethod`	$15.14M	USD	Annual
Purchases of Company common stock	`TreasuryStockValueAcquiredCostMethod`	$9.91M	USD	Annual
Other comprehensive items	`OtherComprehensiveIncomeLossNetOfTax`	$-19.95M	USD	Annual
Other comprehensive items	`OtherComprehensiveIncomeLossNetOfTax`	$-18.00M	USD	Annual
Other comprehensive items	`OtherComprehensiveIncomeLossNetOfTax`	$-12.74M	USD	Annual
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$267.94M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$284.28M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$270.42M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$265.46M	USD	Point-in-time

Comprehensive Income 30 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$29.05M	USD	Annual
Net Income	`ProfitLoss`	$32.47M	USD	Annual
Net Income	`ProfitLoss`	$34.68M	USD	Annual
Pension and other post-retirement liability adjustments, tax provision (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$792.00K	USD	Annual
Pension and other post-retirement liability adjustments, tax provision (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-125.00K	USD	Annual
Pension and other post-retirement liability adjustments, tax provision (benefit)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-107.00K	USD	Annual
Foreign currency translation loss	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-16.44M	USD	Annual
Foreign currency translation loss	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-20.69M	USD	Annual
Deferred gain (loss) on hedging instruments, tax (benefit) provision	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$84.00K	USD	Annual
Deferred gain (loss) on hedging instruments, tax (benefit) provision	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$151.00K	USD	Annual
Deferred gain (loss) on hedging instruments, tax (benefit) provision	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-67.00K	USD	Annual
Foreign currency translation loss	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-13.24M	USD	Annual
Pension and other post-retirement liability adjustments, net (net of tax provision (benefit) of $125, $107, and $(792) in 2016, 2015, and 2014, respectively)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-172.00K	USD	Annual
Pension and other post-retirement liability adjustments, net (net of tax provision (benefit) of $125, $107, and $(792) in 2016, 2015, and 2014, respectively)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$1.41M	USD	Annual
Pension and other post-retirement liability adjustments, net (net of tax provision (benefit) of $125, $107, and $(792) in 2016, 2015, and 2014, respectively)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-256.00K	USD	Annual
Deferred gain (loss) on hedging instruments (net of tax (benefit) provision of $(67), $84, and $151 in 2016, 2015, and 2014, respectively)	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$241.00K	USD	Annual
Deferred gain (loss) on hedging instruments (net of tax (benefit) provision of $(67), $84, and $151 in 2016, 2015, and 2014, respectively)	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-159.00K	USD	Annual
Deferred gain (loss) on hedging instruments (net of tax (benefit) provision of $(67), $84, and $151 in 2016, 2015, and 2014, respectively)	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$563.00K	USD	Annual
Other Comprehensive Items	`OtherComprehensiveIncomeLossNetOfTax`	$-19.95M	USD	Annual
Other Comprehensive Items	`OtherComprehensiveIncomeLossNetOfTax`	$-18.00M	USD	Annual
Other Comprehensive Items	`OtherComprehensiveIncomeLossNetOfTax`	$-12.74M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$14.73M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$11.05M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$19.73M	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$243.00K	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$314.00K	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$168.00K	USD	Annual
Comprehensive Income Attributable to Kadant	`ComprehensiveIncomeNetOfTax`	$19.41M	USD	Annual
Comprehensive Income Attributable to Kadant	`ComprehensiveIncomeNetOfTax`	$10.80M	USD	Annual
Comprehensive Income Attributable to Kadant	`ComprehensiveIncomeNetOfTax`	$14.56M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.