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Segment Reporting - Other Segment Items (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Depreciation and amortization expense	$ 175.4	$ 177.3	$ 176.6
U.S. reportable segment | Operating Segment
Segment Reporting Information [Line Items]
U.S. ROA pre-tax profit depreciation and amortization expense	188.1	168.1	156.4
Other operating segment | Operating Segment
Segment Reporting Information [Line Items]
Other operating segment ROA pre-tax profit depreciation and amortization expense	27.4	24.7	23.0
Other reconciling items
Segment Reporting Information [Line Items]
Other reconciling items	$ (40.1)	$ (15.5)	$ (2.8)

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- Definition

Segment Reporting, Other Operating Segment Item, ROA Pre-Tax Profit Depreciation and Amortization Expense

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