Reconciliation of Total Segment Adjusted EBITDA to Income Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Total segment adjusted EBITDA	$ 262.9	$ 213.3
Interest expense	(51.1)	(51.5)
Depreciation and amortization	(142.0)	(129.6)
Restructuring and acquisition-related costs	(17.5)	(17.6)
Loss on sale of business	(2.6)	(1.0)
Debt refinancing and redemption costs	(1.1)	(1.5)
Impairment charges	0.0	(510.0)
Malvern Fire charges, net of recoveries	(1.2)	0.0
Income (loss) before income taxes	$ 47.4	$ (497.9)

Gain Loss on Insurance Proceeds Related To Property Damage

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Costs incurred for restructuring initiatives as well as expenses directly related to acquisition activity.

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Segment Adjusted EBITDA is defined as earnings before interest, income taxes, depreciation and amortization for our reportable segments, excluding the impact of restructuring and acquisition-related costs, debt refinancing and redemption costs and non-recurring items

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of the cost of borrowed funds accounted for as interest expense.

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