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Income Taxes - Deferred Tax Assets Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Income Tax Disclosure [Abstract] |  |
Employee and retiree benefit plans | $ 23.6 | $ 26.9
Capital loss and other carryforwards | 11.9 | 16.3
Operating lease assets | 25.7 | 24.7
Operating lease liabilities | (24.8) | (23.9)
Depreciation and amortization | (222.0) | (189.0)
Inventories | 11.7 | 8.8
Allowances and accruals | 10.3 | 7.3
Interest rate exchange agreement | 0.0 | 0.7
Other | (16.6) | (16.9)
Total gross deferred tax (liabilities) | (180.2) | (145.1)
Valuation allowance | (11.9) | (16.3)
Total deferred tax (liabilities), net of valuation allowances | $ (192.1) | $ (161.4)

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