10-K Filing

KADANT INC CIK: 886346 FY 2018

Filing Information

Form Type	10-K
Accession Number	`0000886346-19-000019`
Period End Date	20181231
Filing Date	20190226
Fiscal Year	2018
Fiscal Period	FY
XBRL Instance	kai-20181229.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 88 Income Statement 130 Cash Flow Statement 127 Stockholders Equity 22 Comprehensive Income 48

Balance Sheet 88 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable, allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.90M	USD	Point-in-time
Accounts receivable, allowances	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.88M	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`	$75.42M	USD	Point-in-time
Preferred stock, authorized (in shares)	`PreferredStockSharesAuthorized`	5.00M	shares	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
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$45.83M	USD	Point-in-time
Preferred stock, issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$1.42M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$2.08M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$287.00K	USD	Point-in-time
Preferred stock, issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Accounts receivable, less allowances of $2,897 and $2,879	`AccountsReceivableNetCurrent`	$89.62M	USD	Point-in-time
Common stock, par value (in usd per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in usd per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Accounts receivable, less allowances of $2,897 and $2,879	`AccountsReceivableNetCurrent`	$92.62M	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Inventories	`InventoryNet`	$84.93M	USD	Point-in-time
Inventories	`InventoryNet`	$86.37M	USD	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$2.37M	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	14.62M	shares	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$15.74M	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	14.62M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$12.25M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$11.91M	USD	Point-in-time
Treasury stock (in shares)	`TreasuryStockShares`	3.51M	shares	Point-in-time
Treasury stock (in shares)	`TreasuryStockShares`	3.61M	shares	Point-in-time
Total Current Assets	`AssetsCurrent`	$266.02M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$252.76M	USD	Point-in-time
Property, Plant, and Equipment, at Cost, Net	`PropertyPlantAndEquipmentNet`	$79.72M	USD	Point-in-time
Property, Plant, and Equipment, at Cost, Net	`PropertyPlantAndEquipmentNet`	$80.16M	USD	Point-in-time
Other Assets (Note 5)	`OtherAssetsNoncurrent`	$14.31M	USD	Point-in-time
Other Assets (Note 5)	`OtherAssetsNoncurrent`	$21.31M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$133.04M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$113.35M	USD	Point-in-time
Goodwill	`Goodwill`	$151.46M	USD	Point-in-time
Goodwill	`Goodwill`	$258.17M	USD	Point-in-time
Goodwill	`Goodwill`	$268.00M	USD	Point-in-time
Total Assets	`Assets`	$725.75M	USD	Point-in-time
Total Assets	`Assets`	$761.09M	USD	Point-in-time
Total Assets	`Assets`	$470.69M	USD	Point-in-time
Current maturities of long-term obligations (Note 6)	`LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths`	$696.00K	USD	Point-in-time
Current maturities of long-term obligations (Note 6)	`LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths`	$1.67M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$35.72M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$35.46M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$29.62M	USD	Point-in-time
Accrued payroll and employee benefits	`EmployeeRelatedLiabilitiesCurrent`	$30.90M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$26.99M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$30.10M	USD	Point-in-time
Advanced billings	`BillingsInExcessOfCostCurrent`	$7.32M	USD	Point-in-time
Advanced billings	`BillingsInExcessOfCostCurrent`	$5.53M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$28.18M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$29.04M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$128.99M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$132.23M	USD	Point-in-time
Long-Term Obligations (Note 6)	`LongTermDebtAndCapitalLeaseObligations`	$241.38M	USD	Point-in-time
Long-Term Obligations (Note 6)	`LongTermDebtAndCapitalLeaseObligations`	$174.15M	USD	Point-in-time
Long-Term Deferred Income Taxes (Note 5)	`DeferredIncomeTaxLiabilitiesNet`	$22.96M	USD	Point-in-time
Long-Term Deferred Income Taxes (Note 5)	`DeferredIncomeTaxLiabilitiesNet`	$29.09M	USD	Point-in-time
Other Long-Term Liabilities (Note 3)	`OtherLiabilitiesNoncurrent`	$25.07M	USD	Point-in-time
Other Long-Term Liabilities (Note 3)	`OtherLiabilitiesNoncurrent`	$25.89M	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`	$104.73M	USD	Point-in-time
Capital in excess of par value	`AdditionalPaidInCapital`	$103.22M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$393.58M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$342.89M	USD	Point-in-time
Treasury stock at cost, 3,514,163 and 3,613,838 shares	`TreasuryStockValue`	$86.11M	USD	Point-in-time
Treasury stock at cost, 3,514,163 and 3,613,838 shares	`TreasuryStockValue`	$88.55M	USD	Point-in-time
Accumulated other comprehensive items (Note 13)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-39.38M	USD	Point-in-time
Accumulated other comprehensive items (Note 13)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-26.71M	USD	Point-in-time
Total Kadant Stockholders' Equity	`StockholdersEquity`	$372.97M	USD	Point-in-time
Total Kadant Stockholders' Equity	`StockholdersEquity`	$330.99M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$1.51M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$1.60M	USD	Point-in-time
Total Stockholders' Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$374.57M	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`	$332.50M	USD	Point-in-time
Total Liabilities and Stockholders' Equity	`LiabilitiesAndStockholdersEquity`	$725.75M	USD	Point-in-time
Total Liabilities and Stockholders' Equity	`LiabilitiesAndStockholdersEquity`	$761.09M	USD	Point-in-time

Income Statement 130 line items

Line Item	Tag	Value	Unit	Period
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$102.86M	USD	1 Quarter
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$154.91M	USD	1 Quarter
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$149.14M	USD	1 Quarter
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$110.24M	USD	1 Quarter
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$149.19M	USD	1 Quarter
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$633.79M	USD	Annual
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$152.79M	USD	1 Quarter
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$515.03M	USD	Annual
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$163.94M	USD	1 Quarter
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$414.13M	USD	Annual
Revenues (Note 11)	`RevenueFromContractWithCustomerExcludingAssessedTax`	$165.75M	USD	1 Quarter
Income from discontinued operation, income tax provision	`DiscontinuedOperationTaxEffectOfDiscontinuedOperation`	$2.00K	USD	Annual
Cost of revenues	`CostOfGoodsAndServicesSold`	$283.89M	USD	Annual
Cost of revenues	`CostOfGoodsAndServicesSold`	$225.59M	USD	Annual
Cost of revenues	`CostOfGoodsAndServicesSold`	$355.50M	USD	Annual
Selling, general, and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$134.83M	USD	Annual
Selling, general, and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$177.41M	USD	Annual
Selling, general, and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$159.76M	USD	Annual
Research and development expenses	`ResearchAndDevelopmentExpense`	$9.56M	USD	Annual
Research and development expenses	`ResearchAndDevelopmentExpense`	$7.38M	USD	Annual
Research and development expenses	`ResearchAndDevelopmentExpense`	$10.55M	USD	Annual
Restructuring costs and other income (Note 8)	`RestructuringAndOtherCostsIncomeNet`	$203.00K	USD	Annual
Restructuring costs and other income (Note 8)	`RestructuringAndOtherCostsIncomeNet`	$-317.00K	USD	Annual
Restructuring costs and other income (Note 8)	`RestructuringAndOtherCostsIncomeNet`	$1.72M	USD	Annual
Total Costs and Operating Expenses	`CostsAndExpenses`	$453.41M	USD	Annual
Total Costs and Operating Expenses	`CostsAndExpenses`	$367.48M	USD	Annual
Total Costs and Operating Expenses	`CostsAndExpenses`	$545.19M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$88.60M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$46.64M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$61.62M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$379.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$269.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$447.00K	USD	Annual
Interest expense	`InterestExpense`	$1.29M	USD	Annual
Interest expense	`InterestExpense`	$3.55M	USD	Annual
Interest expense	`InterestExpense`	$7.03M	USD	Annual
Other expense, net (Note 3)	`OtherNonoperatingExpense`	$872.00K	USD	Annual
Other expense, net (Note 3)	`OtherNonoperatingExpense`	$2.42M	USD	Annual
Other expense, net (Note 3)	`OtherNonoperatingExpense`	$1.07M	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`	$57.65M	USD	Annual
Income from Continuing Operations Before Provision for Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$79.53M	USD	Annual
Provision for income taxes (Note 5)	`IncomeTaxExpenseBenefit`	$26.07M	USD	Annual
Provision for income taxes (Note 5)	`IncomeTaxExpenseBenefit`	$12.08M	USD	Annual
Provision for income taxes (Note 5)	`IncomeTaxExpenseBenefit`	$18.48M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$61.05M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$32.47M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$31.58M	USD	Annual
Income from discontinued operation (net of income tax provision of $2)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Income from discontinued operation (net of income tax provision of $2)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$3.00K	USD	Annual
Income from discontinued operation (net of income tax provision of $2)	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Net Income	`ProfitLoss`	$61.05M	USD	Annual
Net Income	`ProfitLoss`	$31.58M	USD	Annual
Net Income	`ProfitLoss`	$32.47M	USD	Annual
Net Income Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$633.00K	USD	Annual
Net Income Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$392.00K	USD	Annual
Net Income Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$491.00K	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$60.41M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$32.08M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$31.09M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.95M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$18.42M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$13.29M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$10.86M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$760.00K	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$12.35M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.10M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$18.78M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$31.09M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$32.07M	USD	Annual
Income from Continuing Operations	`IncomeLossFromContinuingOperations`	$60.41M	USD	Annual
Income from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	Annual
Income from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	Annual
Income from Discontinued Operation	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$3.00K	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$60.41M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$32.08M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$31.09M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.95M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$18.42M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$13.29M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$10.86M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$760.00K	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$12.35M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.10M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$18.78M	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.83	USD	Annual
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.95	USD	Annual
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$5.45	USD	Annual
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.88	USD	Annual
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$5.30	USD	Annual
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.75	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$5.45	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.11	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.82	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.69	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.95	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.83	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.21	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.74	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.07	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.66	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.98	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.61	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.72	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.07	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.64	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.30	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.80	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.88	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.96	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.75	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.08	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.17	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	10.99M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	10.87M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	11.09M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	11.15M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	11.40M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	11.31M	shares	Annual
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.84	USD	Annual
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.21	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.21	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.88	USD	Annual
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`	$0.22	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.21	USD	1 Quarter
Cash Dividends Declared per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.21	USD	1 Quarter

Cash Flow Statement 127 line items

Line Item	Tag	Value	Unit	Period
Net Income Attributable to Kadant	`NetIncomeLoss`	$60.41M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$32.08M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$31.09M	USD	Annual
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.95M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$18.42M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$13.29M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$10.86M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$760.00K	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$12.35M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$8.10M	USD	1 Quarter
Net Income Attributable to Kadant	`NetIncomeLoss`	$18.78M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$633.00K	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$392.00K	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$491.00K	USD	Annual
Income from discontinued operation	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Income from discontinued operation	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$3.00K	USD	Annual
Income from discontinued operation	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$61.05M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$32.47M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$31.58M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$23.57M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$14.33M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$19.38M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$7.03M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$5.80M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$5.07M	USD	Annual
Provision for losses on accounts receivable	`ProvisionForDoubtfulAccounts`	$453.00K	USD	Annual
Provision for losses on accounts receivable	`ProvisionForDoubtfulAccounts`	$436.00K	USD	Annual
Provision for losses on accounts receivable	`ProvisionForDoubtfulAccounts`	$355.00K	USD	Annual
Loss (gain) on sale of property, plant, and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$350.00K	USD	Annual
Loss (gain) on sale of property, plant, and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-110.00K	USD	Annual
Loss (gain) on sale of property, plant, and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-42.00K	USD	Annual
Deferred income tax (benefit) provision	`DeferredIncomeTaxExpenseBenefit`	$-613.00K	USD	Annual
Deferred income tax (benefit) provision	`DeferredIncomeTaxExpenseBenefit`	$-4.24M	USD	Annual
Deferred income tax (benefit) provision	`DeferredIncomeTaxExpenseBenefit`	$578.00K	USD	Annual
Other items, net	`IncreaseDecreaseInOtherOperatingAssets`	$-2.73M	USD	Annual
Other items, net	`IncreaseDecreaseInOtherOperatingAssets`	$-1.36M	USD	Annual
Other items, net	`IncreaseDecreaseInOtherOperatingAssets`	$-1.42M	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`	-	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$7.02M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$10.91M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-1.00M	USD	Annual
Unbilled revenues	`IncreaseDecreaseInUnbilledReceivables`	$-3.41M	USD	Annual
Unbilled revenues	`IncreaseDecreaseInUnbilledReceivables`	$-1.31M	USD	Annual
Unbilled revenues	`IncreaseDecreaseInUnbilledReceivables`	$11.35M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-1.16M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$6.58M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-3.55M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-3.82M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$130.00K	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-753.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-5.24M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-522.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$5.42M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$16.09M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-4.11M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-11.91M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$62.98M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$65.16M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$51.00M	USD	Annual
Net cash provided by discontinued operation	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	-	USD	Annual
Net cash provided by discontinued operation	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	-	USD	Annual
Net cash provided by discontinued operation	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$3.00K	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$65.16M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$62.98M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$51.00M	USD	Annual
Acquisitions, net of cash acquired (Note 2)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisitions, net of cash acquired (Note 2)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$204.73M	USD	Annual
Acquisitions, net of cash acquired (Note 2)	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$56.62M	USD	Annual
Purchases of property, plant, and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$17.28M	USD	Annual
Purchases of property, plant, and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.80M	USD	Annual
Purchases of property, plant, and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$16.56M	USD	Annual
Proceeds from sale of property, plant, and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$130.00K	USD	Annual
Proceeds from sale of property, plant, and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$195.00K	USD	Annual
Proceeds from sale of property, plant, and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$428.00K	USD	Annual
Net cash used in continuing operations for investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-16.36M	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`	$-221.88M	USD	Annual
Proceeds from issuance of debt (Note 6)	`ProceedsFromIssuanceOfDebt`	$51.05M	USD	Annual
Proceeds from issuance of debt (Note 6)	`ProceedsFromIssuanceOfDebt`	$232.02M	USD	Annual
Proceeds from issuance of debt (Note 6)	`ProceedsFromIssuanceOfDebt`	$50.05M	USD	Annual
Repayment of debt	`RepaymentsOfDebt`	$67.70M	USD	Annual
Repayment of debt	`RepaymentsOfDebt`	$109.64M	USD	Annual
Repayment of debt	`RepaymentsOfDebt`	$18.43M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$9.64M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$9.01M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$8.04M	USD	Annual
Tax withholding payments related to stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.21M	USD	Annual
Tax withholding payments related to stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.57M	USD	Annual
Tax withholding payments related to stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.89M	USD	Annual
Payment of debt issuance costs (Note 6)	`PaymentsOfDebtIssuanceCosts`	$27.00K	USD	Annual
Payment of debt issuance costs (Note 6)	`PaymentsOfDebtIssuanceCosts`	$934.00K	USD	Annual
Payment of debt issuance costs (Note 6)	`PaymentsOfDebtIssuanceCosts`	$1.26M	USD	Annual
Dividend paid to noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	$465.00K	USD	Annual
Dividend paid to noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	-	USD	Annual
Dividend paid to noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	$882.00K	USD	Annual
Proceeds from issuance of Company common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from issuance of Company common stock	`ProceedsFromIssuanceOfCommonStock`	$2.35M	USD	Annual
Proceeds from issuance of Company common stock	`ProceedsFromIssuanceOfCommonStock`	$813.00K	USD	Annual
Payment of contingent consideration	`PaymentOfContingentConsiderationFinancingActivities`	$1.09M	USD	Annual
Payment of contingent consideration	`PaymentOfContingentConsiderationFinancingActivities`	-	USD	Annual
Payment of contingent consideration	`PaymentOfContingentConsiderationFinancingActivities`	-	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$216.00K	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-491.00K	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-452.00K	USD	Annual
Net cash (used in) provided by continuing operations for financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-74.16M	USD	Annual
Net cash (used in) provided by continuing operations for financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$23.45M	USD	Annual
Net cash (used in) provided by continuing operations for financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$150.48M	USD	Annual
Exchange Rate Effect on Cash, Cash Equivalents, and Restricted Cash from Continuing Operations	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-3.19M	USD	Annual
Exchange Rate Effect on Cash, Cash Equivalents, and Restricted Cash from Continuing Operations	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-5.83M	USD	Annual
Exchange Rate Effect on Cash, Cash Equivalents, and Restricted Cash from Continuing Operations	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$9.52M	USD	Annual
Decrease in Cash from Discontinued Operation	`NetCashProvidedByUsedInDiscontinuedOperations`	-	USD	Annual
Decrease in Cash from Discontinued Operation	`NetCashProvidedByUsedInDiscontinuedOperations`	$-5.00K	USD	Annual
Decrease in Cash from Discontinued Operation	`NetCashProvidedByUsedInDiscontinuedOperations`	-	USD	Annual
(Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash from Continuing Operations	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-30.73M	USD	Annual
(Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash from Continuing Operations	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$6.63M	USD	Annual
(Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash from Continuing Operations	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$3.28M	USD	Annual
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$46.12M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$76.85M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$66.94M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$73.57M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$46.12M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$76.85M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$66.94M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$73.57M	USD	Point-in-time

Stockholders Equity 22 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$374.57M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$267.94M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$284.28M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$332.50M	USD	Point-in-time
Net Income	`ProfitLoss`	$61.05M	USD	Annual
Net Income	`ProfitLoss`	$31.58M	USD	Annual
Net Income	`ProfitLoss`	$32.47M	USD	Annual
Dividends declared	`Dividends`	$8.29M	USD	Annual
Dividends declared	`Dividends`	$9.77M	USD	Annual
Dividends declared	`Dividends`	$9.25M	USD	Annual
Dividend paid to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$882.00K	USD	Annual
Dividend paid to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$465.00K	USD	Annual
Activity under stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$3.95M	USD	Annual
Activity under stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$4.89M	USD	Annual
Activity under stock plans	`StockIssuedDuringPeriodValueShareBasedCompensation`	$3.60M	USD	Annual
Other comprehensive items	`OtherComprehensiveIncomeLossNetOfTax`	$23.18M	USD	Annual
Other comprehensive items	`OtherComprehensiveIncomeLossNetOfTax`	$-12.74M	USD	Annual
Other comprehensive items	`OtherComprehensiveIncomeLossNetOfTax`	$-12.74M	USD	Annual
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$374.57M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$267.94M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$284.28M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$332.50M	USD	Point-in-time

Comprehensive Income 48 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$61.05M	USD	Annual
Net Income	`ProfitLoss`	$31.58M	USD	Annual
Net Income	`ProfitLoss`	$32.47M	USD	Annual
Pension and other post-retirement liability adjustments, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-125.00K	USD	Annual
Pension and other post-retirement liability adjustments, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$150.00K	USD	Annual
Pension and other post-retirement liability adjustments, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-412.00K	USD	Annual
Effect of pension and other post-retirement plan amendments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansPlanAmendmentsTaxEffect`	$-351.00K	USD	Annual
Foreign currency translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$23.85M	USD	Annual
Foreign currency translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-17.38M	USD	Annual
Effect of pension and other post-retirement plan amendments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansPlanAmendmentsTaxEffect`	-	USD	Annual
Effect of pension and other post-retirement plan amendments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansPlanAmendmentsTaxEffect`	-	USD	Annual
Foreign currency translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-13.24M	USD	Annual
Effect of pension and other post-retirement plan curtailments	`OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIforCurtailmentsTax`	-	USD	Annual
Pension and other post-retirement liability adjustments, net (net of tax of $412, $(150), and $125)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-256.00K	USD	Annual
Pension and other post-retirement liability adjustments, net (net of tax of $412, $(150), and $125)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$738.00K	USD	Annual
Effect of pension and other post-retirement plan curtailments	`OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIforCurtailmentsTax`	$1.18M	USD	Annual
Effect of pension and other post-retirement plan curtailments	`OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIforCurtailmentsTax`	-	USD	Annual
Pension and other post-retirement liability adjustments, net (net of tax of $412, $(150), and $125)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.25M	USD	Annual
Pension and other post-retirement curtailment loss	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	-	USD	Annual
Pension and other post-retirement curtailment loss	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	-	USD	Annual
Pension and other post-retirement curtailment loss	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	$347.00K	USD	Annual
Effect of pension and other post-retirement plan amendments (net of tax of $351)	`OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIforPlanAmendmentsafterTax`	-	USD	Annual
Effect of pension and other post-retirement plan amendments (net of tax of $351)	`OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIforPlanAmendmentsafterTax`	-	USD	Annual
Effect of pension and other post-retirement plan amendments (net of tax of $351)	`OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIforPlanAmendmentsafterTax`	$-1.09M	USD	Annual
Deferred (loss) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$39.00K	USD	Annual
Effect of pension and other post-retirement plan curtailments (net of tax of $1,183)	`OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIforCurtailmentsafterTax`	-	USD	Annual
Effect of pension and other post-retirement plan curtailments (net of tax of $1,183)	`OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIforCurtailmentsafterTax`	$3.68M	USD	Annual
Effect of pension and other post-retirement plan curtailments (net of tax of $1,183)	`OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIforCurtailmentsafterTax`	-	USD	Annual
Deferred (loss) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-93.00K	USD	Annual
Deferred (loss) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-67.00K	USD	Annual
Pension and other post-retirement curtailment loss (net of tax of $347)	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$1.08M	USD	Annual
Pension and other post-retirement curtailment loss (net of tax of $347)	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	Annual
Pension and other post-retirement curtailment loss (net of tax of $347)	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	Annual
Deferred (loss) gain on cash flow hedges (net of tax of $(93), $39, and $(67))	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-276.00K	USD	Annual
Deferred (loss) gain on cash flow hedges (net of tax of $(93), $39, and $(67))	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$241.00K	USD	Annual
Deferred (loss) gain on cash flow hedges (net of tax of $(93), $39, and $(67))	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$67.00K	USD	Annual
Other Comprehensive Items	`OtherComprehensiveIncomeLossNetOfTax`	$23.18M	USD	Annual
Other Comprehensive Items	`OtherComprehensiveIncomeLossNetOfTax`	$-12.74M	USD	Annual
Other Comprehensive Items	`OtherComprehensiveIncomeLossNetOfTax`	$-12.74M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$19.73M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$54.76M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$48.31M	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$314.00K	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$555.00K	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$745.00K	USD	Annual
Comprehensive Income Attributable to Kadant	`ComprehensiveIncomeNetOfTax`	$47.75M	USD	Annual
Comprehensive Income Attributable to Kadant	`ComprehensiveIncomeNetOfTax`	$19.41M	USD	Annual
Comprehensive Income Attributable to Kadant	`ComprehensiveIncomeNetOfTax`	$54.01M	USD	Annual

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