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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance $ 2,702.4 $ 2,352.9
Other comprehensive income (loss) before reclassifications and income taxes (49.0) 26.9
Amounts reclassified from accumulated other comprehensive (loss) income before income taxes (2.2) (2.3)
Income tax benefit (expense) 0.1 0.8
Other comprehensive (loss) income, net of tax (51.1) 25.4
Noncontrolling interest 0.4 (0.3)
Net current period other comprehensive (loss) income, net of income taxes and noncontrolling interest (50.7) 25.1
Ending balance 2,735.0 2,436.3
Total    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (146.9) (181.9)
Ending balance (197.6) (156.8)
Foreign currency translation adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (193.8) (235.7)
Other comprehensive income (loss) before reclassifications and income taxes (50.7) 27.7
Amounts reclassified from accumulated other comprehensive (loss) income before income taxes 0.0 0.0
Income tax benefit (expense) 0.0 0.0
Other comprehensive (loss) income, net of tax (50.7) 27.7
Noncontrolling interest 0.4 (0.3)
Net current period other comprehensive (loss) income, net of income taxes and noncontrolling interest (50.3) 27.4
Ending balance (244.1) (208.3)
Pension and other postretirement liability adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance 44.7 50.8
Other comprehensive income (loss) before reclassifications and income taxes 0.0 0.0
Amounts reclassified from accumulated other comprehensive (loss) income before income taxes (2.0) (2.0)
Income tax benefit (expense) 0.5 0.5
Other comprehensive (loss) income, net of tax (1.5) (1.5)
Noncontrolling interest 0.0 0.0
Net current period other comprehensive (loss) income, net of income taxes and noncontrolling interest (1.5) (1.5)
Ending balance 43.2 49.3
Change in fair value of derivative financial instruments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance 2.2 3.0
Other comprehensive income (loss) before reclassifications and income taxes 1.7 (0.8)
Amounts reclassified from accumulated other comprehensive (loss) income before income taxes (0.2) (0.3)
Income tax benefit (expense) (0.4) 0.3
Other comprehensive (loss) income, net of tax 1.1 (0.8)
Noncontrolling interest 0.0 0.0
Net current period other comprehensive (loss) income, net of income taxes and noncontrolling interest 1.1 (0.8)
Ending balance $ 3.3 $ 2.2