Statements Of Unaudited Condensed Consolidated Comprehensive Income - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ (22.1)	$ (84.3)
OTHER COMPREHENSIVE INCOME
Changes in pension and other post-retirement benefits, net of tax	5.7	6.7
Changes in foreign currency translation	0.0	0.7
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	2.7	0.3
OTHER COMPREHENSIVE INCOME	8.4	7.7
TOTAL COMPREHENSIVE LOSS	$ (13.7)	$ (76.6)

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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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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