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Income Taxes, Deferred tax assets and liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets relating to: |  |
Accrued liabilities and reserves | $ 54.2 | $ 41.8
Operating lease liabilities | 52.7 | 45.7
Operating loss and tax credit carry forwards | 62.8 | 81.3
Pensions | 36.4 | 26.2
Inventories | 49.0 | 39.3
Employee benefits | 35.2 | 36.0
Total deferred tax assets | 290.3 | 270.3
Valuation allowance | (40.1) | (35.2)
Total deferred tax assets, net of valuation allowances | 250.2 | 235.1
Deferred tax liabilities relating to: |  |
Goodwill | 202.1 | 179.5
Depreciation and amortization | 81.5 | 74.1
Operating lease right-of-use assets | 52.7 | 45.7
Unremitted foreign earnings | 114.9 | 115.8
Total deferred tax liabilities | 451.2 | 415.1
Net deferred tax liability | 201.0 | 180.0
Classification of deferred tax assets and liabilities, as reflected on the Consolidated Balance Sheets [Abstract] |  |
Other long-term assets | 98.1 | 80.4
Deferred income taxes | $ 299.1 | $ 260.4

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