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Credit Losses - Allowance for Credit Losses Related to Trade Accounts Receivable (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Allowance for credit losses:
Beginning balance	$ 8.0	$ 7.7
Current period provision	0.4	0.8
Currency exchange effects	(0.1)	0.1
Disposition of EMEA staffing operations	(2.4)	0.0
Write-offs	0.0	(0.8)
Ending balance	$ 5.9	$ 7.8

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- Definition

Accounts Receivable, Allowance for Credit Loss, Current Exchange Effects

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- Definition

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- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
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