Goodwill and Intangible Assets - Intangible Assets Other Than Goodwill (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 1,958.6	$ 1,957.7
Accumulated amortization	(1,291.1)	(1,253.0)
Net carrying amount	667.5	704.7
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross carrying amount	2,098.6	2,097.7
Accumulated amortization	(1,291.1)	(1,253.0)
Net carrying amount	807.5	844.7
Trade name (indefinite-lived)
Indefinite-lived Intangible Assets [Line Items]
Trade name (indefinite-lived)	140.0	140.0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,932.4	1,930.6
Accumulated amortization	(1,265.3)	(1,226.2)
Net carrying amount	667.1	704.4
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated amortization	(1,265.3)	(1,226.2)
Other
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	26.2	27.1
Accumulated amortization	(25.8)	(26.8)
Net carrying amount	0.4	0.3
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated amortization	$ (25.8)	$ (26.8)