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Reconciliation of Operating Profit Loss from Segments to Consolidated (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Adjusted EBITDA	$ 1,183.9	$ 1,102.7	$ 619.4
Interest expense	(216.3)	(195.6)	(93.4)
Depreciation and amortization	(528.8)	(428.5)	(201.8)
Goodwill impairment	(485.5)	0.0	0.0
Restructuring and acquisition-related costs	(78.9)	(110.7)	(26.2)
Pension settlement	0.0	(3.2)	0.0
Gain on sale of business	15.5	0.0	0.0
Gain on settlement of capital lease	15.6	0.0	0.0
Acquisition-related fair value inventory adjustment	0.0	(24.9)	0.0
Impact of change in accounting principle	0.0	3.7	0.0
Debt refinancing and redemption costs	(19.4)	(3.5)	0.0
Other	0.0	0.0	1.0
Income (loss) before income taxes	$ (113.9)	$ 340.0	$ 299.0

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Fair Value Inventory Adjustment from Acquisition of MPG - Inventory in process written up to fair value in purchase accounting that was sold in the period. Cost of goods sold (inventory) artificially high due to fair value mark up.

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