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Income Taxes - Deferred Income Taxes Temporary Differences (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Future Income Tax Benefits (Expense) |  |
Accrued payroll taxes and insurance | $ 11.2 | $ 8.8
Employee compensation payable | 40.8 | 37.7
Pension and postretirement benefits | 71.8 | 65.0
Intangible assets | (129.3) | (140.4)
Repatriation of non-United States earnings | (20.4) | (18.4)
Loans denominated in foreign currencies | 16.8 | (0.7)
Operating lease ROU assets | (104.5) | (92.9)
Operating lease liabilities | 107.0 | 94.6
Net operating losses | 187.7 | 128.9
Other | 166.3 | 179.7
Valuation allowance | (219.8) | (161.1)
Total future tax benefits | 127.6 | 101.2
Deferred tax asset | 138.3 | 126.7
Deferred tax liability | (10.7) | (25.5)
Total future tax benefits | $ 127.6 | $ 101.2

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