S-1 Filing

Mirion Technologies, Inc. CIK: 1809987

Filing Information

Form Type	S-1
Accession Number	`0001193125-21-309339`
Period End Date	20210630
Filing Date	20211027
Fiscal Year	N/A
Fiscal Period	N/A
XBRL Instance	d209869ds1_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 72 Income Statement 57 Cash Flow Statement 129 Stockholders Equity 25 Comprehensive Income 21

Balance Sheet 72 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$118.40M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$35.80M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$101.10M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$1.40M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$1.10M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$800.00K	USD	Point-in-time
Accounts receivable, net of allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$133.30M	USD	Point-in-time
Accounts receivable, net of allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$97.30M	USD	Point-in-time
Costs in excess of billings on uncompleted contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$59.50M	USD	Point-in-time
Costs in excess of billings on uncompleted contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$57.20M	USD	Point-in-time
Inventories	`InventoryNet`	$113.20M	USD	Point-in-time
Inventories	`InventoryNet`	$90.20M	USD	Point-in-time
Deferred cost of revenue	`DeferredCostsCurrent`	$6.50M	USD	Point-in-time
Deferred cost of revenue	`DeferredCostsCurrent`	$300.00K	USD	Point-in-time
Prepaid expenses and other currents assets	`PrepaidExpenseAndOtherAssetsCurrent`	$28.00M	USD	Point-in-time
Prepaid expenses and other currents assets	`PrepaidExpenseAndOtherAssetsCurrent`	$16.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$433.90M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$389.70M	USD	Point-in-time
Property, plant, and equipment, net	`PropertyPlantAndEquipmentNet`	$75.20M	USD	Point-in-time
Property, plant, and equipment, net	`PropertyPlantAndEquipmentNet`	$88.80M	USD	Point-in-time
Goodwill	`Goodwill`	$681.50M	USD	Point-in-time
Goodwill	`Goodwill`	$522.60M	USD	Point-in-time
Goodwill	`Goodwill`	$511.60M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$248.30M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$326.30M	USD	Point-in-time
Restricted cash	`RestrictedCashNoncurrent`	$400.00K	USD	Point-in-time
Restricted cash	`RestrictedCashNoncurrent`	$500.00K	USD	Point-in-time
Restricted cash	`RestrictedCashNoncurrent`	$500.00K	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$16.20M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$7.50M	USD	Point-in-time
Total assets	`Assets`	$1.24B	USD	Point-in-time
Total assets	`Assets`	$1.55B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$47.10M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$38.70M	USD	Point-in-time
Deferred contract revenue	`DeferredRevenueCurrent`	$50.40M	USD	Point-in-time
Deferred contract revenue	`DeferredRevenueCurrent`	$39.60M	USD	Point-in-time
Notes payable to third-parties, current	`NotesPayableCurrent`	$41.10M	USD	Point-in-time
Notes payable to third-parties, current	`NotesPayableCurrent`	$6.40M	USD	Point-in-time
Accrued Expenses And Other Liabilities Current	`AccruedExpensesAndOtherLiabilitiesCurrent`	$64.10M	USD	Point-in-time
Accrued Expenses And Other Liabilities Current	`AccruedExpensesAndOtherLiabilitiesCurrent`	$84.30M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$183.50M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$188.20M	USD	Point-in-time
Notes payable to related parties, non-current	`NotesPayableRelatedPartiesNoncurrent`	$987.10M	USD	Point-in-time
Notes payable to related parties, non-current	`NotesPayableRelatedPartiesNoncurrent`	$1.17B	USD	Point-in-time
Notes payable to third-parties, non-current	`LongTermNotesPayable`	$669.80M	USD	Point-in-time
Notes payable to third-parties, non-current	`LongTermNotesPayable`	$885.70M	USD	Point-in-time
Interest accrued on notes payable to related parties	`AccruedInterestOnNotesPayableRelatedPartiesNoncurrent`	$56.40M	USD	Point-in-time
Interest accrued on notes payable to related parties	`AccruedInterestOnNotesPayableRelatedPartiesNoncurrent`	$64.80M	USD	Point-in-time
Deferred income taxes and other liabilities	`DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent`	$63.50M	USD	Point-in-time
Deferred income taxes and other liabilities	`DeferredIncomeTaxesAndOtherLiabilitiesNoncurrent`	$77.50M	USD	Point-in-time
Total liabilities	`Liabilities`	$2.39B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.96B	USD	Point-in-time
Commitments and contingencies (Note 9)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 9)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$9.50M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$9.50M	USD	Point-in-time
Receivable from Employees for purchase of Common Stock	`ReceivableFromEmployeesForIssuanceOfCapitalStock`	$-2.70M	USD	Point-in-time
Receivable from Employees for purchase of Common Stock	`ReceivableFromEmployeesForIssuanceOfCapitalStock`	$-2.40M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-729.70M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-888.00M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$4.10M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$39.20M	USD	Point-in-time
Mirion Technologies (TopCo), Ltd. stockholders' deficit	`StockholdersEquity`	$-841.60M	USD	Point-in-time
Mirion Technologies (TopCo), Ltd. stockholders' deficit	`StockholdersEquity`	$-718.70M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$2.20M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$2.10M	USD	Point-in-time
Total stockholders' deficit	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-839.50M	USD	Point-in-time
Total stockholders' deficit	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-448.80M	USD	Point-in-time
Total stockholders' deficit	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-587.70M	USD	Point-in-time
Total stockholders' deficit	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-716.50M	USD	Point-in-time
Total liabilities and stockholders' deficit	`LiabilitiesAndStockholdersEquity`	$1.24B	USD	Point-in-time
Total liabilities and stockholders' deficit	`LiabilitiesAndStockholdersEquity`	$1.55B	USD	Point-in-time

Income Statement 57 line items

Line Item	Tag	Value	Unit	Period
Revenues	`Revenues`	$611.60M	USD	Annual
Revenues	`Revenues`	$478.20M	USD	Annual
Revenues	`Revenues`	$440.10M	USD	Annual
Cost of Revenue	`CostOfRevenue`	$359.80M	USD	Annual
Cost of Revenue	`CostOfRevenue`	$281.20M	USD	Annual
Cost of Revenue	`CostOfRevenue`	$251.90M	USD	Annual
Gross profit	`GrossProfit`	$251.80M	USD	Annual
Gross profit	`GrossProfit`	$188.20M	USD	Annual
Gross profit	`GrossProfit`	$197.00M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$158.10M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$211.20M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$145.40M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$14.00M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$15.90M	USD	Annual
Research and development	`ResearchAndDevelopmentExpense`	$29.40M	USD	Annual
Total operating expenses	`OperatingExpenses`	$159.40M	USD	Annual
Total operating expenses	`OperatingExpenses`	$240.60M	USD	Annual
Total operating expenses	`OperatingExpenses`	$174.00M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$28.80M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$23.00M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$11.20M	USD	Annual
Third party interest expense	`ThirdPartyInterestExpense`	$47.70M	USD	Annual
Third party interest expense	`ThirdPartyInterestExpense`	$41.00M	USD	Annual
Third party interest expense	`ThirdPartyInterestExpense`	$41.50M	USD	Annual
Related party interest expense	`InterestExpenseRelatedParty`	$95.80M	USD	Annual
Related party interest expense	`InterestExpenseRelatedParty`	$107.70M	USD	Annual
Related party interest expense	`InterestExpenseRelatedParty`	$122.20M	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-12.80M	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Foreign currency loss (gain), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-13.40M	USD	Annual
Foreign currency loss (gain), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$3.20M	USD	Annual
Foreign currency loss (gain), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$600.00K	USD	Annual
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$1.10M	USD	Annual
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$1.00M	USD	Annual
Other (income) expense, net	`OtherNonoperatingIncomeExpense`	$-1.90M	USD	Annual
Loss before benefit from income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-126.20M	USD	Annual
Loss before benefit from income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-124.60M	USD	Annual
Loss before benefit from income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-164.30M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$-4.20M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$-5.50M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$-5.90M	USD	Annual
Net loss	`ProfitLoss`	$-158.40M	USD	Annual
Net loss	`ProfitLoss`	$-122.00M	USD	Annual
Net loss	`ProfitLoss`	$-119.10M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-100.00K	USD	Annual
Net loss	`NetIncomeLoss`	$-158.30M	USD	Annual
Net loss	`NetIncomeLoss`	$-122.00M	USD	Annual
Net loss	`NetIncomeLoss`	$-119.10M	USD	Annual
Weighted average common shares outstanding basic and diluted	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	6.55	shares	Annual
Weighted average common shares outstanding basic and diluted	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	6.30	shares	Annual
Weighted average common shares outstanding basic and diluted	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	6.45	shares	Annual
Basic and diluted net income (loss) per share	`EarningsPerShareBasicAndDiluted`	$-24.18	USD	Annual
Basic and diluted net income (loss) per share	`EarningsPerShareBasicAndDiluted`	$-19.36	USD	Annual
Basic and diluted net income (loss) per share	`EarningsPerShareBasicAndDiluted`	$-18.45	USD	Annual

Cash Flow Statement 129 line items

Line Item	Tag	Value	Unit	Period
Net loss	`ProfitLoss`	$-158.40M	USD	Annual
Net loss	`ProfitLoss`	$-122.00M	USD	Annual
Net loss	`ProfitLoss`	$-119.10M	USD	Annual
Accrual of in-kind interest on notes payable to related parties	`PaidInKindInterest`	$95.60M	USD	Annual
Accrual of in-kind interest on notes payable to related parties	`PaidInKindInterest`	$121.20M	USD	Annual
Accrual of in-kind interest on notes payable to related parties	`PaidInKindInterest`	$107.70M	USD	Annual
Depreciation and amortization expense	`DepreciationAndAmortization`	$68.40M	USD	Annual
Depreciation and amortization expense	`DepreciationAndAmortization`	$69.50M	USD	Annual
Depreciation and amortization expense	`DepreciationAndAmortization`	$83.60M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$200.00K	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	-	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$100.00K	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	$-12.80M	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on debt extinguishment	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$3.20M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$2.60M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$3.60M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$600.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$500.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$2.10M	USD	Annual
Inventory obsolescence write down	`InventoryWriteDown`	$1.90M	USD	Annual
Inventory obsolescence write down	`InventoryWriteDown`	$700.00K	USD	Annual
Inventory obsolescence write down	`InventoryWriteDown`	-	USD	Annual
Change in deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$-16.60M	USD	Annual
Change in deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$-16.10M	USD	Annual
Change in deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$-15.50M	USD	Annual
(Gain) loss on disposal of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$100.00K	USD	Annual
(Gain) loss on disposal of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-1.20M	USD	Annual
(Gain) loss on disposal of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-400.00K	USD	Annual
Loss (gain) on foreign currency transactions	`ForeignCurrencyTransactionGainLossUnrealized`	$-13.40M	USD	Annual
Loss (gain) on foreign currency transactions	`ForeignCurrencyTransactionGainLossUnrealized`	$1.70M	USD	Annual
Loss (gain) on foreign currency transactions	`ForeignCurrencyTransactionGainLossUnrealized`	$-2.70M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$900.00K	USD	Annual
Other	`OtherNoncashIncomeExpense`	$100.00K	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-1.40M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-10.60M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$4.20M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-3.80M	USD	Annual
Costs in excess of billings on uncompleted contracts	`IncreaseDecreaseCostsInExcessOfBillingsOnUncompletedContracts`	$3.80M	USD	Annual
Costs in excess of billings on uncompleted contracts	`IncreaseDecreaseCostsInExcessOfBillingsOnUncompletedContracts`	$8.10M	USD	Annual
Costs in excess of billings on uncompleted contracts	`IncreaseDecreaseCostsInExcessOfBillingsOnUncompletedContracts`	$2.90M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-1.00M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$7.80M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-4.30M	USD	Annual
Deferred cost of revenue	`IncreaseDecreaseInDeferredCostsCurrent`	$-6.60M	USD	Annual
Deferred cost of revenue	`IncreaseDecreaseInDeferredCostsCurrent`	$3.50M	USD	Annual
Deferred cost of revenue	`IncreaseDecreaseInDeferredCostsCurrent`	$200.00K	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$10.10M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.60M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-1.40M	USD	Annual
Accrued expenses and other current liabilities	`IncreaseDecreaseInAccruedLiabilitiesAndOtherLiabilitiesCurrent`	$-2.20M	USD	Annual
Accrued expenses and other current liabilities	`IncreaseDecreaseInAccruedLiabilitiesAndOtherLiabilitiesCurrent`	$7.30M	USD	Annual
Accrued expenses and other current liabilities	`IncreaseDecreaseInAccruedLiabilitiesAndOtherLiabilitiesCurrent`	$-13.10M	USD	Annual
Deferred contract revenue	`IncreaseDecreaseInDeferredRevenue`	$-1.70M	USD	Annual
Deferred contract revenue	`IncreaseDecreaseInDeferredRevenue`	$5.20M	USD	Annual
Deferred contract revenue	`IncreaseDecreaseInDeferredRevenue`	$-8.40M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-500.00K	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-500.00K	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-200.00K	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$7.50M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-5.30M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-8.50M	USD	Annual
Increase in accounts payable	`IncreaseDecreaseInAccountsPayable`	$2.60M	USD	Annual
Increase in accounts payable	`IncreaseDecreaseInAccountsPayable`	$-2.70M	USD	Annual
Increase in accounts payable	`IncreaseDecreaseInAccountsPayable`	$-2.50M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$53.60M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$39.50M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$14.70M	USD	Annual
Acquisitions of businesses, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$55.70M	USD	Annual
Acquisitions of businesses, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$9.10M	USD	Annual
Acquisitions of businesses, net of cash and cash equivalents acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$290.10M	USD	Annual
Purchases of property, plant, and equipment and badges	`PaymentsToAcquirePropertyPlantAndEquipment`	$16.50M	USD	Annual
Purchases of property, plant, and equipment and badges	`PaymentsToAcquirePropertyPlantAndEquipment`	$23.20M	USD	Annual
Purchases of property, plant, and equipment and badges	`PaymentsToAcquirePropertyPlantAndEquipment`	$19.90M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-75.60M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-25.60M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-313.30M	USD	Annual
Borrowings from notes payable to third-parties, net of discount and issuance costs	`ProceedsFromNotesPayable`	$98.80M	USD	Annual
Borrowings from notes payable to third-parties, net of discount and issuance costs	`ProceedsFromNotesPayable`	$596.80M	USD	Annual
Borrowings from notes payable to third-parties, net of discount and issuance costs	`ProceedsFromNotesPayable`	$300.00K	USD	Annual
Borrowings from notes payable to third-parties, net of discount and issuance costs	`ProceedsFromNotesPayable`	$218.80M	USD	Annual
Principal repayments	`RepaymentsOfNotesPayable`	$560.20M	USD	Annual
Principal repayments	`RepaymentsOfNotesPayable`	$13.40M	USD	Annual
Principal repayments	`RepaymentsOfNotesPayable`	$14.80M	USD	Annual
Deferred finance costs	`PaymentsOfDebtIssuanceCosts`	$8.10M	USD	Annual
Deferred finance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Deferred finance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Borrowings from notes payable related parties	`ProceedsFromRelatedPartyDebt`	$70.00M	USD	Annual
Borrowings from notes payable related parties	`ProceedsFromRelatedPartyDebt`	-	USD	Annual
Borrowings from notes payable related parties	`ProceedsFromRelatedPartyDebt`	-	USD	Annual
Borrowings from notes payable related parties	`ProceedsFromRelatedPartyDebt`	-	USD	2 Qtrs
Borrowings from notes payable related parties	`ProceedsFromRelatedPartyDebt`	$300.00K	USD	2 Qtrs
Borrowing on revolving term loan	`ProceedsFromLongTermLinesOfCredit`	-	USD	Annual
Borrowing on revolving term loan	`ProceedsFromLongTermLinesOfCredit`	-	USD	Annual
Borrowing on revolving term loan	`ProceedsFromLongTermLinesOfCredit`	$80.00M	USD	Annual
Payment on revolving term loan	`RepaymentsOfLongTermLinesOfCredit`	$35.00M	USD	Annual
Payment on revolving term loan	`RepaymentsOfLongTermLinesOfCredit`	$45.00M	USD	Annual
Payment on revolving term loan	`RepaymentsOfLongTermLinesOfCredit`	$13.00M	USD	Annual
Payment of contingent considerations	`PaymentForContingentConsiderationLiabilityFinancingActivities`	-	USD	Annual
Payment of contingent considerations	`PaymentForContingentConsiderationLiabilityFinancingActivities`	$2.00M	USD	Annual
Payment of contingent considerations	`PaymentForContingentConsiderationLiabilityFinancingActivities`	-	USD	Annual
Contribution from noncontrolling interests	`ProceedsFromMinorityShareholders`	$100.00K	USD	Annual
Contribution from noncontrolling interests	`ProceedsFromMinorityShareholders`	-	USD	Annual
Contribution from noncontrolling interests	`ProceedsFromMinorityShareholders`	-	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	-	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$400.00K	USD	Annual
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$100.00K	USD	Annual
Dividends to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	-	USD	Annual
Other financing	`ProceedsFromPaymentsForOtherFinancingActivities`	$900.00K	USD	Annual
Other financing	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other financing	`ProceedsFromPaymentsForOtherFinancingActivities`	$-500.00K	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$15.00M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$118.90M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$239.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-2.40M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.10M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-400.00K	USD	Annual
Net (decrease) increase in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.70M	USD	Annual
Net (decrease) increase in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-17.60M	USD	Annual
Net (decrease) increase in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$82.40M	USD	Annual
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.90M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$120.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$102.40M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$37.60M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$35.90M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$120.00M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$102.40M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$37.60M	USD	Point-in-time

Stockholders Equity 25 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-839.50M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-448.80M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-587.70M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-716.50M	USD	Point-in-time
Contribution from noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$100.00K	USD	Annual
Distribution to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$400.00K	USD	Annual
Distribution to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$100.00K	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$100.00K	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$200.00K	USD	Annual
Receivable from Employees	`ReceivableFromEmployeesPeriodIncreaseDecrease`	$300.00K	USD	Annual
Receivable from Employees	`ReceivableFromEmployeesPeriodIncreaseDecrease`	$-200.00K	USD	Annual
Receivable from Employees	`ReceivableFromEmployeesPeriodIncreaseDecrease`	$-400.00K	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-9.30M	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$-16.60M	USD	Annual
Other comprehensive loss	`OtherComprehensiveIncomeLossNetOfTax`	$35.10M	USD	Annual
Net loss	`NetIncomeLoss`	$-158.30M	USD	Annual
Net loss	`NetIncomeLoss`	$-122.00M	USD	Annual
Net loss	`NetIncomeLoss`	$-119.10M	USD	Annual
Net loss	`ProfitLoss`	$-158.40M	USD	Annual
Net loss	`ProfitLoss`	$-122.00M	USD	Annual
Net loss	`ProfitLoss`	$-119.10M	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-839.50M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-448.80M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-587.70M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-716.50M	USD	Point-in-time

Comprehensive Income 21 line items

Line Item	Tag	Value	Unit	Period
Net loss	`ProfitLoss`	$-158.40M	USD	Annual
Net loss	`ProfitLoss`	$-122.00M	USD	Annual
Net loss	`ProfitLoss`	$-119.10M	USD	Annual
Foreign currency translation, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-9.30M	USD	Annual
Foreign currency translation, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$34.20M	USD	Annual
Foreign currency translation, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-15.10M	USD	Annual
Unrecognized actuarial gain (loss) and prior service benefit, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-900.00K	USD	Annual
Unrecognized actuarial gain (loss) and prior service benefit, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	Annual
Unrecognized actuarial gain (loss) and prior service benefit, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$1.50M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-9.30M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-16.60M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$35.10M	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-128.40M	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-138.60M	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-123.30M	USD	Annual
Less: Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Less: Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-100.00K	USD	Annual
Less: Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	Annual
Comprehensive loss attributable to Mirion Technologies (TopCo), Ltd. stockholders	`ComprehensiveIncomeNetOfTax`	$-138.60M	USD	Annual
Comprehensive loss attributable to Mirion Technologies (TopCo), Ltd. stockholders	`ComprehensiveIncomeNetOfTax`	$-128.40M	USD	Annual
Comprehensive loss attributable to Mirion Technologies (TopCo), Ltd. stockholders	`ComprehensiveIncomeNetOfTax`	$-123.20M	USD	Annual

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