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Segment Disclosures - Depreciation and Amortization Expense Included in SG&A Expenses (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2024 | Apr. 02, 2023
Earnings (loss) from Operations |  |
Depreciation and amortization: | $ 10.2 | $ 9.5
Professional & Industrial |  |
Earnings (loss) from Operations |  |
Depreciation and amortization: | 2.4 | 1.8
Science, Engineering & Technology |  |
Earnings (loss) from Operations |  |
Depreciation and amortization: | 4.1 | 3.8
Education |  |
Earnings (loss) from Operations |  |
Depreciation and amortization: | 2.0 | 1.9
Outsourcing & Consulting |  |
Earnings (loss) from Operations |  |
Depreciation and amortization: | 1.7 | 1.4
International |  |
Earnings (loss) from Operations |  |
Depreciation and amortization: | $ 0.0 | $ 0.6

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