Goodwill and Identifiable Intangible Assets - Gross Carrying Value and Accumulated Amortization by Class of Identifiable Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Intangible Assets [Line Items]
Gross Carrying Amounts, Indefinite-lived tradenames	$ 711.1	$ 711.0
Net Book Value, Indefinite-lived tradenames	711.1	711.0
Gross Carrying Amounts, Finite Lived	1,145.2	1,117.6
Accumulated Amortization, Finite Lived	(472.5)	(408.3)
Net Book Value, Finite Lived	672.7	709.3
Gross Carrying Amounts, Total identifiable intangibles	1,856.3	1,828.6
Accumulated Amortization, Total identifiable intangibles	(472.5)	(408.3)
Net Book Value, Total identifiable intangibles	1,383.8	1,420.3
Tradenames [Member]
Intangible Assets [Line Items]
Gross Carrying Amounts, Finite Lived	36.4	34.8
Accumulated Amortization, Finite Lived	(15.5)	(14.0)
Net Book Value, Finite Lived	20.9	20.8
Customer and contractual relationships [Member]
Intangible Assets [Line Items]
Gross Carrying Amounts, Finite Lived	975.7	973.2
Accumulated Amortization, Finite Lived	(388.2)	(337.3)
Net Book Value, Finite Lived	587.5	635.9
Patents/proprietary technology [Member]
Intangible Assets [Line Items]
Gross Carrying Amounts, Finite Lived	133.1	109.6
Accumulated Amortization, Finite Lived	(68.8)	(57.0)
Net Book Value, Finite Lived	$ 64.3	$ 52.6