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Goodwill and Intangible Assets - Changes in the Net Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2022	Oct. 03, 2021	Oct. 02, 2022	Oct. 03, 2021
Goodwill [Roll Forward]
Goodwill, beginning balance			$ 114.8
Additions to Goodwill			77.3
Impairment Adjustments	$ (30.7)	$ 0.0	(30.7)	$ 0.0
Goodwill, ending balance	161.4		161.4
Science, Engineering & Technology
Goodwill [Roll Forward]
Goodwill, beginning balance			111.3
Additions to Goodwill			0.0
Impairment Adjustments			0.0
Goodwill, ending balance	111.3		111.3
Education
Goodwill [Roll Forward]
Goodwill, beginning balance			3.5
Additions to Goodwill			36.3
Impairment Adjustments			0.0
Goodwill, ending balance	39.8		39.8
Outsourcing & Consulting
Goodwill [Roll Forward]
Goodwill, beginning balance			0.0
Additions to Goodwill			41.0
Impairment Adjustments			(30.7)
Goodwill, ending balance	$ 10.3		$ 10.3

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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