Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (4.4)	$ 158.5	$ 65.5	$ 292.7
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(30.1)	7.1	(30.9)	(8.5)
Unrealized gain on derivative instruments	6.1	1.8	14.4	3.2
Retirement plan and other activity	0.1	0.1	0.2	0.2
Comprehensive income (loss)	(28.3)	167.5	49.2	287.6
Comprehensive income attributable to noncontrolling interest	(0.2)	(0.1)	(0.2)	(0.2)
Comprehensive income (loss)	$ (28.5)	$ 167.4	$ 49.0	$ 287.4