Restructuring - Restructuring Reserve (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 28, 2020	Mar. 29, 2020	Jun. 28, 2020
Restructuring Reserve [Roll Forward]
Beginning balance	$ 3.9	$ 0.3	$ 0.3
Additions charged			8.5
Reductions for lease termination costs related to fixed assets		(0.6)
Reductions for cash payments related to all restructuring activities	(2.1)	(4.5)
Accrual adjustments	(0.2)
Ending balance	$ 1.6	3.9	1.6
Americas Staffing
Restructuring Reserve [Roll Forward]
Additions charged		5.6	5.5
Global Talent Solutions
Restructuring Reserve [Roll Forward]
Additions charged		0.9	0.8
International Staffing
Restructuring Reserve [Roll Forward]
Additions charged		1.1	1.1
Corporate
Restructuring Reserve [Roll Forward]
Additions charged		$ 1.1	$ 1.1

Lease Termination Costs related to Fixed Assets

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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