Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income/(loss)	$ 127.0	$ 27.7	$ (25.5)
Other comprehensive income:
Change in fair value of interest rate swap, net of tax			(11.9)
Reclassification of interest rate swap, net of tax		21.5	6.9
Pension & other post retirement benefit obligation adjustment, net of tax	7.4	3.3	(2.6)
Reclassification adjustment of pension plan, net of tax	0.1	0.6	0.4
Change in fair value of net investment hedge, net of tax			31.2
Foreign currency translation adjustment	(103.5)	(57.5)	87.0
Total other comprehensive (loss)/income:	(96.0)	(32.1)	111.0
Total comprehensive (loss)/income	$ 31.0	$ (4.4)	$ 85.5