Goodwill and Identifiable Intangible Assets - Gross Carrying Value and Accumulated Amortization by Class of Identifiable Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Intangible Assets [Line Items]
Gross Carrying Amounts, Indefinite-lived tradenames	$ 478.1	$ 479.2
Net Book Value, Indefinite-lived tradenames	478.1	479.2
Gross Carrying Amounts, Finite Lived	838.6	759.1
Accumulated Amortization, Finite Lived	(315.9)	(270.2)
Net Book Value, Finite Lived	522.7	488.9
Gross Carrying Amounts, Total identifiable intangibles	1,316.7	1,238.3
Accumulated Amortization, Total identifiable intangibles	(315.9)	(270.2)
Net Book Value, Total identifiable intangibles	1,000.8	968.1
Tradenames [Member]
Intangible Assets [Line Items]
Gross Carrying Amounts, Finite Lived	47.5	25.8
Accumulated Amortization, Finite Lived	(6.8)	(5.2)
Net Book Value, Finite Lived	40.7	20.6
Customer and contractual relationships [Member]
Intangible Assets [Line Items]
Gross Carrying Amounts, Finite Lived	662.6	611.2
Accumulated Amortization, Finite Lived	(239.6)	(205.7)
Net Book Value, Finite Lived	423.0	405.5
Patents/proprietary technology [Member]
Intangible Assets [Line Items]
Gross Carrying Amounts, Finite Lived	128.5	122.1
Accumulated Amortization, Finite Lived	(69.5)	(59.3)
Net Book Value, Finite Lived	$ 59.0	$ 62.8