Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Condensed Consolidated Statements of Comprehensive Income (Loss)
Net income (loss)	$ (128.4)	$ 28.0	$ (164.7)	$ 63.8
Other comprehensive income (loss), net of tax
Cumulative translation adjustments	(1.1)	3.0	9.6	2.7
Net loss on cash flow hedges	(1.3)	(5.4)	(5.0)	(5.3)
Pension and other postretirement benefit plans:
Net gain (loss) during period (net of tax of: $0.0, $0.0, $0.1 and $(0.2))			0.6	(2.0)
Amounts reclassified from accumulated other comprehensive income	0.5	0.3	1.1	1.3
Total other comprehensive income (loss), net of tax	(1.9)	(2.1)	6.3	(3.3)
Comprehensive income (loss)	$ (130.3)	$ 25.9	$ (158.4)	$ 60.5