Goodwill and Identifiable Intangible Assets, net - Summary of Identifiable Intangible Assets, net (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 707.1	$ 356.4
Accumulated Amortization	(270.2)	(226.9)
Net	436.9	129.5
Total identifiable intangible assets, net
Gross Carrying Value	716.0	365.3
Net	445.8	138.4
Trademarks and tradenames with indefinite lives
Indefinite-lived Intangible Assets [Line Items]
Trademarks and tradenames with indefinite lives	8.9	8.9
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	279.7	99.5
Accumulated Amortization	(62.1)	(47.1)
Net	217.6	52.4
Trademarks and tradenames with indefinite lives
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	56.7	30.8
Accumulated Amortization	(18.1)	(14.4)
Net	38.6	16.4
Software
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	162.2	147.7
Accumulated Amortization	(124.0)	(111.3)
Net	38.2	36.4
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	197.1	67.0
Accumulated Amortization	(55.9)	(44.3)
Net	141.2	22.7
Contracts
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	11.4	11.4
Accumulated Amortization	(10.1)	(9.8)
Net	$ 1.3	$ 1.6