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Segments - Reconciliation of Net Earnings to Total Company Adjusted EBITDA-Depreciation and Restructuring Expense (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) entity | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) entity | Sep. 30, 2020 USD ($)
Depreciation and Amortization [Abstract] |  |  |  |
Depreciation and amortization | $ 55.2 | $ 56.2 | $ 170.3 | $ 161.1
Share-based incentive compensation | 10.6 | 12.3 | 34.4 | 31.3
Consolidated restructuring charges | $ 2.4 | 1.0 | $ 4.5 | 11.7
Number of legal entities | entity | 1 |  | 1 |
Food |  |  |  |
Depreciation and Amortization [Abstract] |  |  |  |
Consolidated restructuring charges | $ 0.8 | (1.4) | $ 1.9 | 3.8
Food | Operating Segments |  |  |  |
Depreciation and Amortization [Abstract] |  |  |  |
Depreciation and amortization | 32.3 | 31.7 | 96.7 | 90.9
Protective |  |  |  |
Depreciation and Amortization [Abstract] |  |  |  |
Consolidated restructuring charges | 1.6 | 2.4 | 2.6 | 7.9
Protective | Operating Segments |  |  |  |
Depreciation and Amortization [Abstract] |  |  |  |
Depreciation and amortization | $ 22.9 | $ 24.5 | $ 73.6 | $ 70.2

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