CONSOLIDATED CONDENSED 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	$ 105.4	$ 91.7	$ 192.1	$ 364.2
Other comprehensive income:
Change in derivative instruments	4.1	0.4	13.0	6.7
Foreign currency translation adjustments	(33.2)	6.0	(46.6)	(10.2)
Comprehensive income, before income tax on other comprehensive income items	76.3	98.1	158.5	360.7
Income tax (benefit)/provision on derivative instruments	(0.4)	0.6	(0.9)	1.6
Comprehensive income	$ 76.7	$ 97.5	$ 159.4	$ 359.1