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Reconciliation of Total Segment Adjusted EBITDA to Income Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Total segment adjusted EBITDA	$ 208.4	$ 191.6	$ 414.0	$ 367.0
Interest expense	(47.9)	(50.2)	(96.9)	(100.7)
Depreciation and amortization	(119.6)	(120.5)	(237.4)	(245.4)
Restructuring and acquisition-related costs	(5.0)	(7.9)	(7.5)	(12.7)
Gain (loss) on equity securities	(0.2)	0.3	(0.1)	0.0
Debt refinancing and redemption costs	(0.3)	0.0	(0.3)	0.0
Income before income taxes	$ 35.4	$ 13.3	$ 71.8	$ 8.2

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

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