Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Foreign currency translation adjustments, tax (expense) benefit	$ 0.0	$ 0.0	$ 0.0
Net income tax (expense) benefit	(8.0)	8.8	(9.7)
Net income tax (expense) benefit	$ (9.6)	$ (19.6)	$ 25.5