Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 44.8	$ 39.2
Other Comprehensive income:
Reclassification of interest rate swap, net of tax		2.4
Amortization of actuarial losses, net of tax	(0.1)
Foreign currency translation adjustment	(17.4)	(43.0)
Total other comprehensive loss:	(17.5)	(40.6)
Comprehensive income/(loss)	$ 27.3	$ (1.4)