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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
--- | --- | ---
Jul. 04, 2021 | Jun. 28, 2020 | Jul. 04, 2021 | Jun. 28, 2020
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization |  |  | $ 14.1 | $ 12.0
Professional & Industrial |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization | $ 1.4 | $ 1.3 | 2.8 | 2.7
Science, Engineering & Technology |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization | 3.3 | 1.1 | 4.3 | 2.1
Education |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization | 0.9 | 0.9 | 1.9 | 1.8
Outsourcing & Consulting |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization | 0.2 | 0.2 | 0.4 | 0.3
International |  |  |  |
Earnings (loss) from Operations |  |  |  |
Depreciation and amortization | $ 0.5 | $ 0.5 | $ 1.0 | $ 1.1

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