CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 86.7	$ 272.5
Other comprehensive income/(loss):
Change in derivative instruments	8.9	6.3
Foreign currency translation adjustments	(13.4)	(16.2)
Comprehensive income, before income tax on other comprehensive income items	82.2	262.6
Income tax (benefit)/provision on derivative instruments	(0.5)	1.0
Comprehensive income	$ 82.7	$ 261.6