$KELYA
KELLY SERVICES INC Stock $kelya

$kelya Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000005513523000005 Filed on February 16, 2023

Income Statement

Concept	2023 Q1	2023	2022
Revenue	$1.234B	$4.965B	$4.910B
YoY Change	-1.32%	1.13%	8.72%
Cost Of Revenue	$983.6M	$3.954B	$3.991B
YoY Change	-2.06%	-0.92%	8.19%
Gross Profit	$250.2M	$1.012B	$919.2M
YoY Change	1.71%	10.07%	11.07%
Gross Profit Margin	20.28%	20.38%	18.72%
Selling, General & Admin	$236.2M	$943.5M	$870.6M
YoY Change	4.24%	8.37%	8.07%
% of Gross Profit	94.4%	93.25%	94.71%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$8.700M	$33.40M	$29.80M
YoY Change	11.54%	12.08%	23.14%
% of Gross Profit	3.48%	3.3%	3.24%
Operating Expenses	$236.2M	$943.5M	$870.6M
YoY Change	4.24%	8.37%	8.07%
Operating Profit	$14.00M	$14.80M	$48.60M
YoY Change	-27.84%	-69.55%	-151.92%
Interest Expense	-$300.0K	$2.100M	$2.500M
YoY Change	-100.59%	-16.0%	-16.67%
% of Operating Profit	-2.14%	14.19%	5.14%
Other Income/Expense, Net	$0.00	$1.600M	-$3.600M
YoY Change	-100.0%	-144.44%	-205.88%
Pretax Income	$4.300M	-$39.40M	$30.50M
YoY Change	-94.92%	-229.18%	-136.01%
Income Tax	$5.200M	-$7.900M	$35.10M
% Of Pretax Income	120.93%		115.08%
Net Earnings	-$900.0K	-$62.50M	$156.1M
YoY Change	-101.26%	-140.04%	-316.81%
Net Earnings / Revenue	-0.07%	-1.26%	3.18%
Basic Earnings Per Share		-$1.64	$3.93
Diluted Earnings Per Share	-$0.02	-$1.64	$3.91
COMMON SHARES
Basic Shares Outstanding		38.10M shares	39.40M shares
Diluted Shares Outstanding		38.10M shares	39.50M shares

Balance Sheet

Concept	2023 Q1	2023	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$153.7M	$153.7M	$112.7M
YoY Change	36.38%	36.38%	-49.46%
Cash & Equivalents	$153.7M	$153.7M	$112.7M
Short-Term Investments
Other Short-Term Assets	$69.90M	$69.90M	$52.80M
YoY Change	32.39%	32.39%	-14.01%
Inventory
Prepaid Expenses
Receivables	$1.492B	$1.492B	$1.423B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.715B	$1.715B	$1.589B
YoY Change	7.96%	7.96%	2.52%
LONG-TERM ASSETS
Property, Plant & Equipment	$27.80M	$94.60M	$111.1M
YoY Change	-21.25%	-14.85%	-10.55%
Goodwill	$151.1M
YoY Change	31.62%
Intangibles	$158.7M
YoY Change	30.08%
Long-Term Investments	$0.00	$0.00	$387.7M
YoY Change	-100.0%	-100.0%	37.14%
Other Assets	$403.2M	$518.4M	$550.5M
YoY Change	3.62%	-5.83%	2.36%
Total Long-Term Assets	$948.6M	$948.6M	$1.306B
YoY Change	-27.34%	-27.34%	28.96%
TOTAL ASSETS
Total Short-Term Assets	$1.715B	$1.715B	$1.589B
Total Long-Term Assets	$948.6M	$948.6M	$1.306B
Total Assets	$2.664B	$2.664B	$2.894B
YoY Change	-7.96%	-7.96%	12.97%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$722.1M	$722.1M	$685.3M
YoY Change	5.08%	5.37%	28.09%
Accrued Expenses	$353.4M	$353.4M	$356.7M
YoY Change	-0.93%	-0.93%	6.38%
Deferred Revenue
YoY Change
Short-Term Debt	$700.0K	$700.0K	$0.00
YoY Change			-100.0%
Long-Term Debt Due	$1.200M	$1.200M	$1.900M
YoY Change		-36.84%	5.56%
Total Short-Term Liabilities	$1.129B	$1.129B	$1.095B
YoY Change	3.07%	3.07%	18.32%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$1.200M
YoY Change		-100.0%	-57.14%
Other Long-Term Liabilities	$11.00M	$280.8M	$461.6M
YoY Change	-87.33%	-39.17%	7.22%
Total Long-Term Liabilities	$280.8M	$280.8M	$462.8M
YoY Change	-39.33%	-39.33%	6.81%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.129B	$1.129B	$1.095B
Total Long-Term Liabilities	$280.8M	$280.8M	$462.8M
Total Liabilities	$1.410B	$1.410B	$1.558B
YoY Change	-9.53%	-9.53%	14.65%
SHAREHOLDERS EQUITY
Retained Earnings	$1.216B
YoY Change	-7.51%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.254B	$1.254B	$1.336B
YoY Change
Total Liabilities & Shareholders Equity	$2.664B	$2.664B	$2.894B
YoY Change	-7.96%	-7.96%	12.97%

Cashflow Statement

Concept	2023 Q1	2023	2022
OPERATING ACTIVITIES
Net Income	-$900.0K	-$62.50M	$156.1M
YoY Change	-101.26%	-140.04%	-316.81%
Depreciation, Depletion And Amortization	$8.700M	$33.40M	$29.80M
YoY Change	11.54%	12.08%	23.14%
Cash From Operating Activities	$35.40M	-$76.30M	$85.00M
YoY Change	-34.44%	-189.76%	-54.3%
INVESTING ACTIVITIES
Capital Expenditures	$6.400M	$12.00M	-$11.20M
YoY Change	-272.97%	-207.14%	-27.74%
Acquisitions		$143.1M	$213.0M
YoY Change		-32.82%	443.37%
Other Investing Activities	$6.200M	-$600.0K	-$1.400M
YoY Change	-71.03%	-57.14%	1300.0%
Cash From Investing Activities	-$200.0K	$167.5M	-$180.7M
YoY Change	-101.13%	-192.7%	-1943.88%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-13.20M	-$50.60M	-$8.100M
YoY Change	450.0%	524.69%	0.0%
NET CHANGE
Cash From Operating Activities	35.40M	-$76.30M	$85.00M
Cash From Investing Activities	-200.0K	$167.5M	-$180.7M
Cash From Financing Activities	-13.20M	-$50.60M	-$8.100M
Net Change In Cash	22.00M	$42.90M	-$108.6M
YoY Change	-68.25%	-139.5%	-155.1%
FREE CASH FLOW
Cash From Operating Activities	$35.40M	-$76.30M	$85.00M
Capital Expenditures	$6.400M	$12.00M	-$11.20M
Free Cash Flow	$29.00M	-$88.30M	$96.20M
YoY Change	-49.74%	-191.79%	-52.26%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000055135
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--01-01
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	-200000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	100000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	200000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	500000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	200000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-100000	usd
CY2023Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	11200000	usd
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	12600000	usd
CY2023	us-gaap	Fiscal Period Duration FiscalPeriodDuration	P364D
CY2022	us-gaap	Fiscal Period Duration FiscalPeriodDuration	P364D
CY2021	us-gaap	Fiscal Period Duration FiscalPeriodDuration	P371D
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentNet
CY2023Q1	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PropertyPlantAndEquipmentNet
CY2022Q1	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#AccountsPayableAndAccruedLiabilitiesCurrent
CY2023Q1	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#AccountsPayableAndAccruedLiabilitiesCurrent
CY2022Q1	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2023Q1	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilitiesNoncurrent
CY2023	dei	Document Type DocumentType	10-K
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-01-01
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	0-1088
CY2023	dei	Entity Registrant Name EntityRegistrantName	KELLY SERVICES, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	38-1510762
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	999 West Big Beaver Road
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Troy
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	MI
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	48084
CY2023	dei	City Area Code CityAreaCode	248
CY2023	dei	Local Phone Number LocalPhoneNumber	362-4444
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2022Q3	dei	Entity Public Float EntityPublicFloat	668300000	usd
CY2023	dei	Auditor Firm AuditorFirmId	238
CY2023	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2023	dei	Auditor Location AuditorLocation	Detroit, Michigan
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4965400000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4909700000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4516000000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	3953600000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	3990500000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	3688400000	usd
CY2023	us-gaap	Gross Profit GrossProfit	1011800000	usd
CY2022	us-gaap	Gross Profit GrossProfit	919200000	usd
CY2021	us-gaap	Gross Profit GrossProfit	827600000	usd
CY2023	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	943500000	usd
CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	870600000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	805600000	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	41000000.0	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	147700000	usd
CY2023	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	6200000	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	32100000	usd
CY2023	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-18700000	usd
CY2022	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	0	usd
CY2021	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	0	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	14800000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	48600000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-93600000	usd
CY2023	us-gaap	Gain Loss On Investments GainLossOnInvestments	-67200000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	121800000	usd
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	-16600000	usd
CY2023	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	usd
CY2022	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	19000000.0	usd
CY2021	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	usd
CY2023	kelya	Cumulative Translation Adjustment Gain Loss CumulativeTranslationAdjustmentGainLoss	-20400000	usd
CY2022	kelya	Cumulative Translation Adjustment Gain Loss CumulativeTranslationAdjustmentGainLoss	0	usd
CY2021	kelya	Cumulative Translation Adjustment Gain Loss CumulativeTranslationAdjustmentGainLoss	0	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1600000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3600000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3400000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-71200000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	185800000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-106800000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-7900000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35100000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-34000000.0	usd
CY2023	kelya	Income Lossfrom Continuing Operations Before Equity Method Investments IncomeLossfromContinuingOperationsBeforeEquityMethodInvestments	-63300000	usd
CY2022	kelya	Income Lossfrom Continuing Operations Before Equity Method Investments IncomeLossfromContinuingOperationsBeforeEquityMethodInvestments	150700000	usd
CY2021	kelya	Income Lossfrom Continuing Operations Before Equity Method Investments IncomeLossfromContinuingOperationsBeforeEquityMethodInvestments	-72800000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	800000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5400000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	800000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-62500000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	156100000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-72000000.0	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.64
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.93
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.83
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.64
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.91
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.83
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38100000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39400000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39300000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38100000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39500000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39300000	shares
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-62500000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	156100000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-72000000.0	usd
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-7500000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-24200000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	13900000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	-20400000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	0	usd
CY2023	kelya	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Equity Method Investment And Other Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIEquityMethodInvestmentAndOtherNetOfTax	-4700000	usd
CY2022	kelya	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Equity Method Investment And Other Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIEquityMethodInvestmentAndOtherNetOfTax	0	usd
CY2021	kelya	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Equity Method Investment And Other Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIEquityMethodInvestmentAndOtherNetOfTax	1500000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	17600000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-24200000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	12400000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-1500000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-500000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	900000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-100000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-200000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-100000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1600000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-700000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	800000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	19200000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-23500000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	11600000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-43300000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	132600000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-60400000	usd
CY2023Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	153700000	usd
CY2022Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	112700000	usd
CY2023Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1491600000	usd
CY2022Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1423200000	usd
CY2023Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	69900000	usd
CY2022Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	52800000	usd
CY2023Q1	us-gaap	Assets Current AssetsCurrent	1715200000	usd
CY2022Q1	us-gaap	Assets Current AssetsCurrent	1588700000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	166800000	usd
CY2022Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	205100000	usd
CY2023Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	139000000.0	usd
CY2022Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	169800000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	27800000	usd
CY2022Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	35300000	usd
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	66800000	usd
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	75800000	usd
CY2023Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	299700000	usd
CY2022Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	302800000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	151100000	usd
CY2022Q1	us-gaap	Goodwill Goodwill	114800000	usd
CY2023Q1	us-gaap	Equity Securities Fvni Noncurrent EquitySecuritiesFVNINoncurrent	0	usd
CY2022Q1	us-gaap	Equity Securities Fvni Noncurrent EquitySecuritiesFVNINoncurrent	264300000	usd
CY2023Q1	us-gaap	Equity Method Investments EquityMethodInvestments	0	usd
CY2022Q1	us-gaap	Equity Method Investments EquityMethodInvestments	123400000	usd
CY2023Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	403200000	usd
CY2022Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	389100000	usd
CY2023Q1	us-gaap	Assets Noncurrent AssetsNoncurrent	948600000	usd
CY2022Q1	us-gaap	Assets Noncurrent AssetsNoncurrent	1305500000	usd
CY2023Q1	us-gaap	Assets Assets	2663800000	usd
CY2022Q1	us-gaap	Assets Assets	2894200000	usd
CY2023Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	700000	usd
CY2022Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	0	usd
CY2023Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	723300000	usd
CY2022Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	687200000	usd
CY2023Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	14700000	usd
CY2022Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	17500000	usd
CY2023Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	315800000	usd
CY2022Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	318400000	usd
CY2023Q1	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	22900000	usd
CY2022Q1	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	20800000	usd
CY2023Q1	us-gaap	Taxes Payable Current TaxesPayableCurrent	51400000	usd
CY2022Q1	us-gaap	Taxes Payable Current TaxesPayableCurrent	51300000	usd
CY2023Q1	us-gaap	Liabilities Current LiabilitiesCurrent	1128800000	usd
CY2022Q1	us-gaap	Liabilities Current LiabilitiesCurrent	1095200000	usd
CY2023Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	55000000.0	usd
CY2022Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	61400000	usd
CY2023Q1	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	0	usd
CY2022Q1	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	57600000	usd
CY2023Q1	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	40700000	usd
CY2022Q1	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	37000000.0	usd
CY2023Q1	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	174100000	usd
CY2022Q1	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	220000000.0	usd
CY2023Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	11000000.0	usd
CY2022Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	86800000	usd
CY2023Q1	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	280800000	usd
CY2022Q1	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	462800000	usd
CY2023Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	28000000.0	usd
CY2022Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	23900000	usd
CY2023Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1216300000	usd
CY2022Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1315000000	usd
CY2023Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-8500000	usd
CY2022Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-27700000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	1254200000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	1336200000	usd
CY2023Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2663800000	usd
CY2022Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2894200000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	1254200000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	1336200000	usd
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	1203000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-62500000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	156100000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-72000000.0	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	41000000.0	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	147700000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-72100000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	21600000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-57100000	usd
CY2023	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-18700000	usd
CY2022	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	0	usd
CY2021	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	0	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33400000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29800000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	24200000	usd
CY2023	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	18500000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	21200000	usd
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	21100000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1500000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1600000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	12800000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	7800000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	5100000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	3900000	usd
CY2023	us-gaap	Gain Loss On Investments GainLossOnInvestments	-67200000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	121800000	usd
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	-16600000	usd
CY2023	kelya	Cumulative Translation Adjustment Gain Loss CumulativeTranslationAdjustmentGainLoss	-20400000	usd
CY2022	kelya	Cumulative Translation Adjustment Gain Loss CumulativeTranslationAdjustmentGainLoss	0	usd
CY2021	kelya	Cumulative Translation Adjustment Gain Loss CumulativeTranslationAdjustmentGainLoss	0	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	5500000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	0	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	0	usd
CY2023	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	usd
CY2022	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	19000000.0	usd
CY2021	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	usd
CY2023	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	6200000	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	32100000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	800000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5400000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	800000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3300000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-6000000.0	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1400000	usd
CY2023	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	141000000.0	usd
CY2022	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	10200000	usd
CY2021	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-120300000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-76300000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	85000000.0	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	186000000.0	usd
CY2023	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	12000000.0	usd
CY2022	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	11200000	usd
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	15500000	usd
CY2023	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	10100000	usd
CY2022	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	usd
CY2021	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	55500000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	143100000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	213000000.0	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	39200000	usd
CY2023	kelya	Cash Disposed Net Of Proceeds CashDisposedNetOfProceeds	6000000.0	usd
CY2022	kelya	Cash Disposed Net Of Proceeds CashDisposedNetOfProceeds	0	usd
CY2021	kelya	Cash Disposed Net Of Proceeds CashDisposedNetOfProceeds	0	usd
CY2023	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	196900000	usd
CY2022	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	0	usd
CY2021	us-gaap	Proceeds From Sale Of Equity Securities Fv Ni ProceedsFromSaleOfEquitySecuritiesFvNi	0	usd
CY2023	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	119500000	usd
CY2022	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	usd
CY2021	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	usd
CY2023	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	1500000	usd
CY2022	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	12200000	usd
CY2021	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	2300000	usd
CY2023	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
CY2022	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	19000000.0	usd
CY2021	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
CY2023	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	usd
CY2022	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	usd
CY2021	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	1200000	usd
CY2023	us-gaap	Proceeds From Repayments Of Related Party Debt ProceedsFromRepaymentsOfRelatedPartyDebt	0	usd
CY2022	us-gaap	Proceeds From Repayments Of Related Party Debt ProceedsFromRepaymentsOfRelatedPartyDebt	5900000	usd
CY2021	us-gaap	Proceeds From Repayments Of Related Party Debt ProceedsFromRepaymentsOfRelatedPartyDebt	5600000	usd
CY2023	kelya	Proceeds From Investment In Equity Securities ProceedsFromInvestmentInEquitySecurities	0	usd
CY2022	kelya	Proceeds From Investment In Equity Securities ProceedsFromInvestmentInEquitySecurities	5000000.0	usd
CY2021	kelya	Proceeds From Investment In Equity Securities ProceedsFromInvestmentInEquitySecurities	-200000	usd
CY2023	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-600000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1400000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-100000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	167500000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-180700000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	9800000	usd
CY2023	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	800000	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-200000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-1700000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1400000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1500000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2000000.0	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10600000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4000000.0	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	3000000.0	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	900000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	600000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1200000	usd
CY2023	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	3300000	usd
CY2022	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	1600000	usd
CY2021	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	usd
CY2023	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-200000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-200000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-200000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-50600000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-8100000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-8100000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2300000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-4800000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9400000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	42900000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-108600000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	197100000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	119500000	usd
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	228100000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	31000000.0	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	162400000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	119500000	usd
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	228100000	usd
CY2023Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	153700000	usd
CY2022Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	112700000	usd
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	223000000.0	usd
CY2023Q1	us-gaap	Restricted Cash Current RestrictedCashCurrent	100000	usd
CY2022Q1	us-gaap	Restricted Cash Current RestrictedCashCurrent	200000	usd
CY2021Q1	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	usd
CY2023Q1	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	8600000	usd
CY2022Q1	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	6600000	usd
CY2021Q1	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	5100000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	162400000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	119500000	usd
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	228100000	usd
CY2023	us-gaap	Fiscal Period FiscalPeriod	Fiscal Year The Company’s fiscal year ends on the Sunday nearest to December 31. The three most recent years ended on January 1, 2023 (2022, which contained 52 weeks), January 2, 2022 (2021, which contained 52 weeks) and January 3, 2021 (2020, which contained 53 weeks). Period costs included in selling, general and administrative (“SG&A”) expenses are recorded on a calendar-year basis. The Company’s operations in Brazil were accounted for on a one-month lag, until the Company sold the Brazil operations in the third quarter of 2020. The Company’s equity method investment in PersolKelly Pte. Ltd. was accounted for on a one-quarter lag prior to the sale of the majority of the investment in the first quarter of 2022 (see Investment in PersolKelly Pte. Ltd. footnote). Any material transactions in the intervening period are disclosed or accounted for in the current reporting period.
CY2023	us-gaap	Advertising Expense AdvertisingExpense	6400000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	7500000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	8100000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts in the consolidated financial statements and accompanying notes. Estimates are used for, but not limited to, the accounting for the allowance for uncollectible accounts receivable and credit losses, workers’ compensation, goodwill and long-lived asset impairment, valuation of acquired intangibles, litigation costs and income taxes. Actual results could differ materially from those estimates.</span>
CY2023Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	166800000	usd
CY2022Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	205100000	usd
CY2023	us-gaap	Depreciation Depreciation	13600000	usd
CY2022	us-gaap	Depreciation Depreciation	16400000	usd
CY2021	us-gaap	Depreciation Depreciation	16800000	usd
CY2023	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	5	segment
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4965400000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4909700000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4516000000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4965400000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4909700000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4516000000	usd
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9400000	usd
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9800000	usd
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9700000	usd
CY2023	us-gaap	Accounts Receivable Change In Method Credit Loss Expense Reversal AccountsReceivableChangeInMethodCreditLossExpenseReversal	0	usd
CY2022	us-gaap	Accounts Receivable Change In Method Credit Loss Expense Reversal AccountsReceivableChangeInMethodCreditLossExpenseReversal	0	usd
CY2021	us-gaap	Accounts Receivable Change In Method Credit Loss Expense Reversal AccountsReceivableChangeInMethodCreditLossExpenseReversal	300000	usd
CY2023	kelya	Accounts Receivable Current Period Provision AccountsReceivableCurrentPeriodProvision	1300000	usd
CY2022	kelya	Accounts Receivable Current Period Provision AccountsReceivableCurrentPeriodProvision	1300000	usd
CY2021	kelya	Accounts Receivable Current Period Provision AccountsReceivableCurrentPeriodProvision	2000000.0	usd
CY2023	kelya	Accounts Receivable Allowance For Credit Loss Current Exchange Effects AccountsReceivableAllowanceForCreditLossCurrentExchangeEffects	-200000	usd
CY2022	kelya	Accounts Receivable Allowance For Credit Loss Current Exchange Effects AccountsReceivableAllowanceForCreditLossCurrentExchangeEffects	-500000	usd
CY2021	kelya	Accounts Receivable Allowance For Credit Loss Current Exchange Effects AccountsReceivableAllowanceForCreditLossCurrentExchangeEffects	100000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	2800000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	1200000	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	2300000	usd
CY2023Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	7700000	usd
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9400000	usd
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9800000	usd
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9200000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	600000	usd
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10900000	usd
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1000000.0	usd
CY2022	us-gaap	Financing Receivable Change In Method Credit Loss Expense Reversal FinancingReceivableChangeInMethodCreditLossExpenseReversal	0	usd
CY2021	us-gaap	Financing Receivable Change In Method Credit Loss Expense Reversal FinancingReceivableChangeInMethodCreditLossExpenseReversal	700000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	600000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	9500000	usd
CY2022	kelya	Financing Receivable Allowance For Credit Loss Current Exchange Effects FinancingReceivableAllowanceForCreditLossCurrentExchangeEffects	0	usd
CY2021	kelya	Financing Receivable Allowance For Credit Loss Current Exchange Effects FinancingReceivableAllowanceForCreditLossCurrentExchangeEffects	-300000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	11500000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	0	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	0	usd
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10900000	usd
CY2022Q1	kelya	Stock Repurchased During Period Amount In Excess Of Par Value StockRepurchasedDuringPeriodAmountInExcessOfParValue	25600000	usd
CY2022Q1	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-52400000	usd
CY2022	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	121800000	usd
CY2021	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	-16600000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	800000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5400000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	800000	usd
CY2023Q1	us-gaap	Equity Securities Fv Ni And Without Readily Determinable Fair Value EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue	6400000	usd
CY2022Q1	us-gaap	Equity Method Investments EquityMethodInvestments	123400000	usd
CY2022Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	30700000	usd
CY2023Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	10300000	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	41000000	usd
CY2023	us-gaap	Severance Costs1 SeveranceCosts1	1500000	usd
CY2023	us-gaap	Gain Loss On Termination Of Lease GainLossOnTerminationOfLease	200000	usd
CY2023	us-gaap	Restructuring Charges RestructuringCharges	1700000	usd
CY2022	us-gaap	Severance Costs1 SeveranceCosts1	4000000.0	usd
CY2021	us-gaap	Gain Loss On Termination Of Lease GainLossOnTerminationOfLease	4800000	usd
CY2021	us-gaap	Severance Costs1 SeveranceCosts1	8000000.0	usd
CY2021	us-gaap	Restructuring Charges RestructuringCharges	12800000	usd
CY2021Q1	us-gaap	Restructuring Reserve RestructuringReserve	3500000	usd
CY2022	us-gaap	Payments For Restructuring PaymentsForRestructuring	4600000	usd
CY2022Q1	us-gaap	Restructuring Reserve RestructuringReserve	2900000	usd
CY2023	us-gaap	Payments For Restructuring PaymentsForRestructuring	4000000.0	usd
CY2023	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	-300000	usd
CY2023Q1	us-gaap	Restructuring Reserve RestructuringReserve	300000	usd
CY2023Q1	us-gaap	Restructuring Reserve RestructuringReserve	300000	usd
CY2022Q1	us-gaap	Goodwill Goodwill	114800000	usd
CY2023	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	77300000	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	41000000.0	usd
CY2023Q1	us-gaap	Goodwill Goodwill	151100000	usd
CY2021Q1	us-gaap	Goodwill Goodwill	3500000	usd
CY2022	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	111300000	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2022Q1	us-gaap	Goodwill Goodwill	114800000	usd
CY2022Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	30700000	usd
CY2023Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	10300000	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	41000000	usd
CY2023Q1	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	203600000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	44900000	usd
CY2023Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	158700000	usd
CY2022Q1	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	150600000	usd
CY2022Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	28600000	usd
CY2022Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	122000000.0	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	20800000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	20500000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	18500000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	17800000	usd
CY2023Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	17200000	usd
CY2023Q1	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	194300000	usd
CY2022Q1	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	232900000	usd
CY2023Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	158700000	usd
CY2022Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	122000000.0	usd
CY2023Q1	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	8600000	usd
CY2022Q1	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	6600000	usd
CY2023Q1	us-gaap	Estimated Insurance Recoveries EstimatedInsuranceRecoveries	12100000	usd
CY2022Q1	us-gaap	Estimated Insurance Recoveries EstimatedInsuranceRecoveries	5500000	usd
CY2023Q1	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	15800000	usd
CY2022Q1	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	11400000	usd
CY2023Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	403200000	usd
CY2022Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	389100000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	22800000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	25800000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	27000000.0	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2400000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2600000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	3600000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	5200000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	5700000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	6800000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	600000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1400000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1300000	usd
CY2023	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	100000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	200000	usd
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	400000	usd
CY2023	us-gaap	Lease Cost LeaseCost	31100000	usd
CY2022	us-gaap	Lease Cost LeaseCost	35700000	usd
CY2021	us-gaap	Lease Cost LeaseCost	39100000	usd
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	66800000	usd
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	75800000	usd
CY2023Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	5000000.0	usd
CY2022Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	6300000	usd
CY2023Q1	kelya	Leases Right Of Use Asset LeasesRightOfUseAsset	71800000	usd
CY2022Q1	kelya	Leases Right Of Use Asset LeasesRightOfUseAsset	82100000	usd
CY2023Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	14700000	usd
CY2022Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	17500000	usd
CY2023Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1200000	usd
CY2022Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1900000	usd
CY2023Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	55000000.0	usd
CY2022Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	61400000	usd
CY2023Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	usd
CY2022Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1200000	usd
CY2023Q1	kelya	Leases Liabilities LeasesLiabilities	70900000	usd
CY2022Q1	kelya	Leases Liabilities LeasesLiabilities	82000000.0	usd
CY2023Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y10M24D
CY2022Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M6D
CY2023Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y3M18D
CY2022Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y1M6D
CY2023Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.051
CY2022Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.049
CY2023Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.054
CY2022Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.053
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	22400000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	26100000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	25400000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1400000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1500000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2000000.0	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10700000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	14900000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	43300000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	3100000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	17800000	usd
CY2023Q1	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	1300000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	13200000	usd
CY2023Q1	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	0	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	10100000	usd
CY2023Q1	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	0	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	7700000	usd
CY2023Q1	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	5500000	usd
CY2023Q1	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	30300000	usd
CY2023Q1	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	84600000	usd
CY2023Q1	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	1300000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	15000000.0	usd
CY2023Q1	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	100000	usd
CY2023Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	69600000	usd
CY2023Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	1200000	usd
CY2020Q1	kelya	Number Of Headquarters Properties Sold NumberOfHeadquartersPropertiesSold	3	headquarters
CY2020Q1	kelya	Number Of Headquarters Properties NumberOfHeadquartersProperties	4	headquarters
CY2020Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.048
CY2020Q1	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P15Y
CY2022Q3	kelya	Debt Covenant Days Sales Outstanding Term DebtCovenantDaysSalesOutstandingTerm	P65D
CY2022Q3	kelya	Debt Covenant Days Sales Outstanding Term DebtCovenantDaysSalesOutstandingTerm	P70D
CY2023Q1	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	196600000	usd
CY2022Q1	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	237200000	usd
CY2023	kelya	Earningson Unqualified Deferred Compensation Plan Liability EarningsonUnqualifiedDeferredCompensationPlanLiability	-36300000	usd
CY2022	kelya	Earningson Unqualified Deferred Compensation Plan Liability EarningsonUnqualifiedDeferredCompensationPlanLiability	27000000	usd
CY2021	kelya	Earningson Unqualified Deferred Compensation Plan Liability EarningsonUnqualifiedDeferredCompensationPlanLiability	23000000	usd
CY2023Q1	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	194300000	usd
CY2022Q1	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	232900000	usd
CY2023	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	1500000	usd
CY2022	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	12200000	usd
CY2021	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	2300000	usd
CY2023	kelya	Earnings Losseson Valueof Deferred Compensation Assets EarningsLossesonValueofDeferredCompensationAssets	-36000000	usd
CY2022	kelya	Earnings Losseson Valueof Deferred Compensation Assets EarningsLossesonValueofDeferredCompensationAssets	26000000	usd
CY2021	kelya	Earnings Losseson Valueof Deferred Compensation Assets EarningsLossesonValueofDeferredCompensationAssets	23100000	usd
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	9400000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	10000000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3200000	usd
CY2023Q1	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	10400000	usd
CY2023Q1	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	7500000	usd
CY2023Q1	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-2900000	usd
CY2022Q1	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	16000000	usd
CY2022Q1	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	10900000	usd
CY2022Q1	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-5100000	usd
CY2023	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	400000	usd
CY2022	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	500000	usd
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	600000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-62500000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	156100000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-72000000.0	usd
CY2023	kelya	Participating Securities Distributedand Undistributed Earnings Loss Basicand Diluted ParticipatingSecuritiesDistributedandUndistributedEarningsLossBasicandDiluted	0	usd
CY2022	kelya	Participating Securities Distributedand Undistributed Earnings Loss Basicand Diluted ParticipatingSecuritiesDistributedandUndistributedEarningsLossBasicandDiluted	1400000	usd
CY2021	kelya	Participating Securities Distributedand Undistributed Earnings Loss Basicand Diluted ParticipatingSecuritiesDistributedandUndistributedEarningsLossBasicandDiluted	0	usd
CY2023	kelya	Net Earnings Available To Common Shareholders NetEarningsAvailableToCommonShareholders	-62500000	usd
CY2022	kelya	Net Earnings Available To Common Shareholders NetEarningsAvailableToCommonShareholders	154700000	usd
CY2021	kelya	Net Earnings Available To Common Shareholders NetEarningsAvailableToCommonShareholders	-72000000.0	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38100000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39400000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39300000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38100000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39500000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39300000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.64
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.93
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.83
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.64
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.91
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.83
CY2023	kelya	Anti Dilutive Securities Excluded From Computation Of Earnings Per Share Shares AntiDilutiveSecuritiesExcludedFromComputationOfEarningsPerShareShares	200000	shares
CY2021	kelya	Anti Dilutive Securities Excluded From Computation Of Earnings Per Share Shares AntiDilutiveSecuritiesExcludedFromComputationOfEarningsPerShareShares	100000	shares
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	2700000	shares
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1100000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	800000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	400000	usd
CY2020Q1	kelya	Number Of Headquarters Properties NumberOfHeadquartersProperties	4	headquarters
CY2022Q4	kelya	Purchase Price For Real Property PurchasePriceForRealProperty	6000000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Property Held For Sale ProceedsFromSaleOfPropertyHeldForSale	5600000	usd
CY2022Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	4700000	usd
CY2023Q1	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	900000	usd
CY2022Q2	kelya	Purchase Price For Land PurchasePriceForLand	4500000	usd
CY2022Q3	us-gaap	Proceeds From Sale Of Land Heldforinvestment ProceedsFromSaleOfLandHeldforinvestment	3600000	usd
CY2022	us-gaap	Proceeds From Sale Of Land Heldforinvestment ProceedsFromSaleOfLandHeldforinvestment	800000	usd
CY2022Q3	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	4400000	usd
CY2022Q1	kelya	Purchase Price For Real Property PurchasePriceForRealProperty	900000	usd
CY2022Q2	us-gaap	Proceeds From Sale Of Property Held For Sale ProceedsFromSaleOfPropertyHeldForSale	900000	usd
CY2022Q2	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	900000	usd
CY2020Q2	kelya	Proceeds From Wage Subsidy Receivables Net Of Fees And Retainers ProceedsFromWageSubsidyReceivablesNetOfFeesAndRetainers	16900000	usd
CY2020Q2	kelya	Receivables Held As Retainer Percent ReceivablesHeldAsRetainerPercent	0.05
CY2020Q1	kelya	Number Of Headquarters Properties Sold NumberOfHeadquartersPropertiesSold	3	headquarters
CY2020Q1	kelya	Sale Leaseback Transaction Gross Proceeds For Investing Activities SaleLeasebackTransactionGrossProceedsForInvestingActivities	58500000	usd
CY2020Q1	kelya	Sale Leaseback Transaction Net Proceeds For Investing Activities SaleLeasebackTransactionNetProceedsForInvestingActivities	55500000	usd
CY2020Q1	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	23400000	usd
CY2020Q1	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	32100000	usd
CY2023	us-gaap	Investment Income Interest InvestmentIncomeInterest	2300000	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	200000	usd
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	600000	usd
CY2023	us-gaap	Interest Expense InterestExpense	2100000	usd
CY2022	us-gaap	Interest Expense InterestExpense	2500000	usd
CY2021	us-gaap	Interest Expense InterestExpense	3000000.0	usd
CY2023	us-gaap	Investment Income Dividend InvestmentIncomeDividend	0	usd
CY2022	us-gaap	Investment Income Dividend InvestmentIncomeDividend	2700000	usd
CY2021	us-gaap	Investment Income Dividend InvestmentIncomeDividend	2400000	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	4800000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1000000.0	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3300000	usd
CY2023	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	3400000	usd
CY2022	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	3000000.0	usd
CY2021	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	100000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1600000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3600000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3400000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-39400000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	27500000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-86700000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-31800000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	158300000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-20100000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-71200000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	185800000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-106800000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1300000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1000000.0	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6600000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1400000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2100000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5900000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	61500000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	10400000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	10600000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	64200000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13500000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	23100000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-2500000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-11900000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-35800000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	700000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-700000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-12300000	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-70300000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	34200000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-9000000.0	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-72100000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	21600000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-57100000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-7900000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35100000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-34000000.0	usd
CY2023Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	21800000	usd
CY2022Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	25800000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	20700000	usd
CY2022Q1	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	16300000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	62000000.0	usd
CY2022Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	70400000	usd
CY2023Q1	kelya	Deferred Tax Assets Accrued Payroll And Related Taxes DeferredTaxAssetsAccruedPayrollAndRelatedTaxes	0	usd
CY2022Q1	kelya	Deferred Tax Assets Accrued Payroll And Related Taxes DeferredTaxAssetsAccruedPayrollAndRelatedTaxes	22100000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	10200000	usd
CY2022Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	11700000	usd
CY2023Q1	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	0	usd
CY2022Q1	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	70900000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	700000	usd
CY2022Q1	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	13300000	usd
CY2023Q1	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	19300000	usd
CY2022Q1	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	21800000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	33400000	usd
CY2022Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	36400000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	200700000	usd
CY2022Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	175000000.0	usd
CY2023Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	9400000	usd
CY2022Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	6500000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	34000000.0	usd
CY2022Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	19000000.0	usd
CY2023Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	299200000	usd
CY2022Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	231200000	usd
CY2023Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	299700000	usd
CY2022Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	302800000	usd
CY2023Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	500000	usd
CY2022Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	71600000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	299200000	usd
CY2022Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	231200000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	33400000	usd
CY2023Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration	30700000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	rate
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	rate
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	rate
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-14900000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	39000000.0	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-22400000	usd
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1600000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1100000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-5100000	usd
CY2023	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	1600000	usd
CY2022	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	12200000	usd
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	2800000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	10700000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	9700000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	9900000	usd
CY2023	kelya	Income Tax Reconciliation Life Insurance Cash Surrender Value IncomeTaxReconciliationLifeInsuranceCashSurrenderValue	7800000	usd
CY2022	kelya	Income Tax Reconciliation Life Insurance Cash Surrender Value IncomeTaxReconciliationLifeInsuranceCashSurrenderValue	-5200000	usd
CY2021	kelya	Income Tax Reconciliation Life Insurance Cash Surrender Value IncomeTaxReconciliationLifeInsuranceCashSurrenderValue	-4600000	usd
CY2023	kelya	Effective Income Tax Rate Reconciliation Foreign Items Amount EffectiveIncomeTaxRateReconciliationForeignItemsAmount	200000	usd
CY2022	kelya	Effective Income Tax Rate Reconciliation Foreign Items Amount EffectiveIncomeTaxRateReconciliationForeignItemsAmount	1700000	usd
CY2021	kelya	Effective Income Tax Rate Reconciliation Foreign Items Amount EffectiveIncomeTaxRateReconciliationForeignItemsAmount	-1800000	usd
CY2023	us-gaap	Income Tax Reconciliation Disposition Of Business IncomeTaxReconciliationDispositionOfBusiness	3900000	usd
CY2022	us-gaap	Income Tax Reconciliation Disposition Of Business IncomeTaxReconciliationDispositionOfBusiness	0	usd
CY2021	us-gaap	Income Tax Reconciliation Disposition Of Business IncomeTaxReconciliationDispositionOfBusiness	-6600000	usd
CY2023	kelya	Income Tax Reconciliation Foreign Business Taxes IncomeTaxReconciliationForeignBusinessTaxes	1800000	usd
CY2022	kelya	Income Tax Reconciliation Foreign Business Taxes IncomeTaxReconciliationForeignBusinessTaxes	2100000	usd
CY2021	kelya	Income Tax Reconciliation Foreign Business Taxes IncomeTaxReconciliationForeignBusinessTaxes	3000000.0	usd
CY2023	kelya	Tax Law Change TaxLawChange	0	usd
CY2022	kelya	Tax Law Change TaxLawChange	-5200000	usd
CY2021	kelya	Tax Law Change TaxLawChange	-1700000	usd
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	2700000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	11900000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1900000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-900000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	400000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-7900000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35100000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-34000000.0	usd
CY2023Q1	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	7800000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	4800000	usd
CY2022Q1	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	-5200000	usd
CY2021	us-gaap	Income Tax Reconciliation Disposition Of Business IncomeTaxReconciliationDispositionOfBusiness	-6600000	usd
CY2021Q1	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	-4600000	usd
CY2023Q1	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	156500000	usd
CY2022Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	600000	usd
CY2021Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	500000	usd
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	900000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	200000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2023	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	100000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	100000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	400000	usd
CY2023Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	500000	usd
CY2022Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	600000	usd
CY2021Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	500000	usd
CY2023Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	500000	usd
CY2022Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	600000	usd
CY2021Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	500000	usd
CY2023Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	400000	usd
CY2022Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	500000	usd
CY2021Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	400000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	100000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	-100000	usd
CY2023Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	100000	usd
CY2022Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	200000	usd
CY2023Q1	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	200000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	99300000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	150700000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-55900000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	24600000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-5000000.0	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-21800000	usd
CY2023	kelya	Increase Decrease In Right Of Use Assets Real Estate And Equipment IncreaseDecreaseInRightOfUseAssetsRealEstateAndEquipment	-100000	usd
CY2022	kelya	Increase Decrease In Right Of Use Assets Real Estate And Equipment IncreaseDecreaseInRightOfUseAssetsRealEstateAndEquipment	7700000	usd
CY2021	kelya	Increase Decrease In Right Of Use Assets Real Estate And Equipment IncreaseDecreaseInRightOfUseAssetsRealEstateAndEquipment	200000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	44300000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	155800000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	10500000	usd
CY2023	kelya	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	18700000	usd
CY2022	kelya	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	29700000	usd
CY2021	kelya	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	21100000	usd
CY2023	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-59300000	usd
CY2022	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	12500000	usd
CY2021	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	71900000	usd
CY2023	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-5200000	usd
CY2022	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-6200000	usd
CY2021	us-gaap	Increase Decrease In Workers Compensation Liabilities IncreaseDecreaseInWorkersCompensationLiabilities	-4900000	usd
CY2023	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	21900000	usd
CY2022	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-4600000	usd
CY2021	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-14000000.0	usd
CY2023	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	141000000.0	usd
CY2022	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	10200000	usd
CY2021	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-120300000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	1300000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	1700000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	1600000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	61200000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	14100000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	26400000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1200000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1000000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1400000	usd
CY2023Q1	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	53000000	usd
CY2023Q1	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	2300000	usd
CY2022Q1	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	1400000	usd
CY2022Q1	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	19000000	usd
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5	numberofsegments
CY2023	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-18700000	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
CY2023	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	6200000	usd
CY2022	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	usd
CY2021	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	14800000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	48600000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-93600000	usd
CY2023	us-gaap	Gain Loss On Investments GainLossOnInvestments	-67200000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	121800000	usd
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	-16600000	usd
CY2023	kelya	Loss On Currency Translation From Liquidation Of Subsidiary LossOnCurrencyTranslationFromLiquidationOfSubsidiary	-20400000	usd
CY2022	kelya	Loss On Currency Translation From Liquidation Of Subsidiary LossOnCurrencyTranslationFromLiquidationOfSubsidiary	0	usd
CY2021	kelya	Loss On Currency Translation From Liquidation Of Subsidiary LossOnCurrencyTranslationFromLiquidationOfSubsidiary	0	usd
CY2023	kelya	Other Nonoperating Income Expense Net OtherNonoperatingIncomeExpenseNet	1600000	usd
CY2022	kelya	Other Nonoperating Income Expense Net OtherNonoperatingIncomeExpenseNet	15400000	usd
CY2021	kelya	Other Nonoperating Income Expense Net OtherNonoperatingIncomeExpenseNet	3400000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-71200000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	185800000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-106800000	usd
CY2023Q1	us-gaap	Noncurrent Assets NoncurrentAssets	94600000	usd
CY2022Q1	us-gaap	Noncurrent Assets NoncurrentAssets	111100000	usd

Files In Submission

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kelya-20230101_cal.xml	Edgar Link	unprocessable
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Financial_Report.xlsx	Edgar Link	pending
kelya-20230101.htm	Edgar Link	pending
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kelya-20230101_lab.xml	Edgar Link	unprocessable

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$KELYA
KELLY SERVICES INC Stock $kelya

2023 Q1 Form 10-K Financial Statement

#000005513523000005 Filed on February 16, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KELYA KELLY SERVICES INC Stock $kelya

2023 Q1 Form 10-K Financial Statement

#000005513523000005 Filed on February 16, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$KELYA
KELLY SERVICES INC Stock $kelya