CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 25.7	$ 36.3
Other comprehensive income (loss):
Foreign currency translation adjustment, net of $0 tax in all periods	3.9	(22.2)
Other comprehensive income (loss)	3.9	(22.2)
Comprehensive income	$ 29.6	$ 14.1