Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Ordinary Shares	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2021	$ 785.6	$ 0.0	$ 1,662.7	$ (720.1)	$ (157.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share based compensation	15.1		15.1
Pension and post-employment benefits	(0.5)				(0.5)
Hedging activities, net of tax	17.8				17.8
Foreign currency translation adjustments	(3.9)				(3.9)
Net loss	(39.1)			(39.1)
Balance at Mar. 31, 2022	775.0	0.0	1,677.8	(759.2)	(143.6)
Balance at Dec. 31, 2022	673.0	0.0	1,717.5	(889.4)	(155.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share based compensation	8.4		8.4
Pension and post-employment benefits	(0.1)				(0.1)
Hedging activities, net of tax	(4.4)				(4.4)
Foreign currency translation adjustments	5.5				5.5
Net loss	(53.6)			(53.6)
Balance at Mar. 31, 2023	$ 628.8	$ 0.0	$ 1,725.9	$ (943.0)	$ (154.1)