Equity - Reconciliation of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Increase (Decrease) in Equity [Roll Forward]
Beginning balance	$ 603.3
Total other comprehensive loss, net of income tax	(12.5)	$ (0.1)
Ending balance	596.0
Gains and Losses on Cash Flow Hedges
Increase (Decrease) in Equity [Roll Forward]
Beginning balance	1.3	5.4
Other comprehensive Income (loss) before reclassifications	(2.5)	0.1
Amounts reclassified from accumulated other comprehensive income (loss)	0.9	(3.4)
Total other comprehensive loss, net of income tax	(1.6)	(3.3)
Ending balance	(0.3)	2.1
Pension & Postretirement
Increase (Decrease) in Equity [Roll Forward]
Beginning balance	(10.3)	(15.3)
Other comprehensive Income (loss) before reclassifications	0.0	(1.7)
Amounts reclassified from accumulated other comprehensive income (loss)	0.1	0.7
Total other comprehensive loss, net of income tax	0.1	(1.0)
Ending balance	(10.2)	(16.3)
Foreign Currency Translation
Increase (Decrease) in Equity [Roll Forward]
Beginning balance	(77.4)	(98.0)
Other comprehensive Income (loss) before reclassifications	(11.0)	4.2
Amounts reclassified from accumulated other comprehensive income (loss)	0.0	0.0
Total other comprehensive loss, net of income tax	(11.0)	4.2
Ending balance	(88.4)	(93.8)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Equity [Roll Forward]
Beginning balance	(86.4)	(107.9)
Other comprehensive Income (loss) before reclassifications	(13.5)	2.6
Amounts reclassified from accumulated other comprehensive income (loss)	1.0	(2.7)
Total other comprehensive loss, net of income tax	(12.5)	(0.1)
Ending balance	$ (98.9)	$ (108.0)