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Benefit Plans - Amounts Recognized in Balance Sheet (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |
Current liabilities | $ (2.1) | $ (2.4)
Noncurrent liabilities | (28.2) | (40.5)
Pension benefits |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |
Noncurrent assets | 0.3 | 16.7
Current liabilities | (1.5) | (1.7)
Noncurrent liabilities | (24.9) | (35.6)
Total liabilities | (26.1) | (20.6)
Other retirement benefits |  |
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items] |  |
Noncurrent assets | 0.0 | 0.0
Current liabilities | (0.6) | (0.7)
Noncurrent liabilities | (3.3) | (4.9)
Total liabilities | $ (3.9) | $ (5.6)

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