Segment Data - Schedule of Segment Data (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting Information [Line Items]
Revenues from services	$ 4,860.2	$ 4,519.3	$ 9,370.6	$ 8,609.6
Americas \| United States \| Franchise fees
Segment Reporting Information [Line Items]
Franchise revenue	2.7	$ 2.6	5.1	$ 4.8
Americas \| United States \| Service Other [Member]
Segment Reporting Information [Line Items]
Selling and Administrative Expenses	$ 30.0		$ 30.0

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details