Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (6.3)	$ 14.7	$ (19.5)	$ (2.0)
Changes in other comprehensive income, net of tax:
Foreign currency translation adjustments	1.6	(2.8)	(0.9)	(0.6)
Derivative (loss) gain	(0.9)	(0.3)	0.4	(0.8)
Pension and postretirement adjustments	0.9	0.6	2.2	1.8
Total other comprehensive income (loss)	1.6	(2.5)	1.7	0.4
Total comprehensive (loss) income	$ (4.7)	$ 12.2	$ (17.8)	$ (1.6)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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