CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net income	$ 19.6	$ 27.0
Other comprehensive income (loss), net of tax:
Currency translation	2.2	(41.9)
Total other comprehensive income (loss), net	5.6	(39.0)
Comprehensive income (loss)	25.2	(12.0)
Defined Benefit Pension Plans
Other comprehensive income (loss), net of tax:
Defined benefit plans	3.5	3.0
OPEB
Other comprehensive income (loss), net of tax:
Defined benefit plans	$ (0.1)	$ (0.1)