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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Restructuring - Narrative (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
Restructuring - Narrative (Details) - USD ($) $ in Millions	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 29, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges included in SG&A expenses	$ (0.1)	$ (0.1)	$ (0.6)	$ 6.3	$ 5.5
Americas Staffing
Restructuring Cost and Reserve [Line Items]
Restructuring charges included in SG&A expenses					6.3
Selling, General and Administrative Expenses \| Americas Staffing
Restructuring Cost and Reserve [Line Items]
Restructuring charges included in SG&A expenses					$ 5.5