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Segment Disclosures - Depreciation and Amortization Expense Included in SG&A Expenses (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jul. 02, 2023 | Jun. 30, 2024 | Jul. 02, 2023
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization: | $ 12.5 | $ 10.2 | $ 22.7 | $ 19.7
Professional & Industrial |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization: | 2.7 | 2.1 | 5.1 | 3.9
Science, Engineering & Technology |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization: | 5.8 | 4.1 | 9.9 | 7.9
Education |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization: | 2.1 | 1.9 | 4.1 | 3.8
Outsourcing & Consulting |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization: | 1.9 | 1.5 | 3.6 | 2.9
International |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization: | $ 0.0 | $ 0.6 | $ 0.0 | $ 1.2

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