CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustments, tax (expense) benefit	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Net gains (losses) on hedging instruments, tax benefit	(6.4)	(2.0)	(11.0)	0.1
Net pension and other post-retirement benefits, tax expense	$ 3.0	$ (2.7)	$ 2.0	$ (3.1)