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Retirement and Other Postretirement Benefit Plans - Schedule of Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income Loss (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Postretirement Plans |  |
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Loss |  |
Net loss (gain) | $ 0.7 | $ 0.5
Amortization of actuarial (losses) gains | 0.8 | 1.0
Total recognized in other comprehensive loss, (pre-tax) | 0.1 | 0.5
U.S. Plans | Defined Benefit Retirement Plans |  |
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Loss |  |
Net loss (gain) | (0.7) | 1.6
Total recognized in other comprehensive loss, (pre-tax) | (0.7) | 1.6
European Plans | Defined Benefit Retirement Plans |  |
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Loss |  |
Net loss (gain) | 29.4 | 20.2
Amortization of actuarial (losses) gains | (1.3) | (0.5)
Effect of foreign exchange | (1.2) | 1.7
Total recognized in other comprehensive loss, (pre-tax) | $ 26.9 | $ 21.4

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- Definition Represents the effect of change in the exchange rate before tax recognized in other comprehensive income, including amounts arising during the period and reclassification adjustments of other comprehensive income as a result of being recognized as components of net periodic benefit cost for the period. + References No definition available. + Details
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