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Segment and Geographic Information - Reconciliation of Operating Profit Loss from Segments to Consolidated (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment adjusted EBITDA	$ 833.3	$ 719.8	$ 970.3
Interest expense	(195.2)	(212.3)	(217.3)
Depreciation and amortization	(544.3)	(521.9)	(536.9)
Impairment charges	0.0	(510.0)	(665.0)
Restructuring and acquisition-related costs	(49.4)	(67.2)	(57.8)
Pension settlements	(42.3)	(0.5)	(9.8)
Loss on sale of business	(2.7)	(1.0)	(21.3)
Gain on bargain purchase of business	0.0	0.0	10.8
Unrealized gain on equity securities	24.4	0.0	0.0
Debt refinancing and redemption costs	(34.0)	(7.9)	(8.4)
Malvern Fire charges, net of recoveries	11.4	(9.3)	0.0
Other	0.0	0.0	2.4
Income (loss) before income taxes	$ 1.2	$ (610.3)	$ (533.0)

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