Goodwill and Identifiable Intangible Assets, net - Summary of Identifiable Intangible Assets, net (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 343.7	$ 335.8
Accumulated Amortization	(201.7)	(192.1)
Net	142.0	143.7
Total identifiable intangible assets, net
Gross Carrying Value	352.6	344.7
Net	150.9	152.6
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	102.9	102.7
Accumulated Amortization	(43.9)	(42.4)
Net	59.0	60.3
Trademarks and tradenames with indefinite lives
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	31.3	31.2
Accumulated Amortization	(12.3)	(11.5)
Net	19.0	19.7
Software
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	130.6	125.5
Accumulated Amortization	(95.9)	(90.5)
Net	34.7	35.0
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	67.4	64.9
Accumulated Amortization	(40.1)	(38.3)
Net	27.3	26.6
Contracts
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	11.5	11.5
Accumulated Amortization	(9.5)	(9.4)
Net	$ 2.0	$ 2.1