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Segment Disclosures - Depreciation and Amortization Expense Included in SG&A Expenses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Earnings (loss) from Operations
Depreciation and amortization:	$ 14.5	$ 10.0	$ 37.2	$ 29.7
Professional & Industrial
Earnings (loss) from Operations
Depreciation and amortization:	2.5	2.0	7.6	5.9
Science, Engineering & Technology
Earnings (loss) from Operations
Depreciation and amortization:	8.1	4.0	18.0	11.9
Education
Earnings (loss) from Operations
Depreciation and amortization:	2.1	2.0	6.2	5.8
Outsourcing & Consulting
Earnings (loss) from Operations
Depreciation and amortization:	1.8	1.4	5.4	4.3
International
Earnings (loss) from Operations
Depreciation and amortization:	$ 0.0	$ 0.6	$ 0.0	$ 1.8

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Depreciation and Amortization, Including Hosted Software Implementation Costs

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