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Other Intangible Assets - Schedule of Amortization Expense (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]      
Gross carrying amount $ 331.9 $ 315.1 $ 291.1
Accumulated amortization (266.5) (257.8) $ (246.1)
Product Rights [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross carrying amount 34.0 34.0  
Accumulated amortization (34.0) (34.0)  
Brand Names [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross carrying amount 8.9 8.9  
Accumulated amortization (8.9) (8.4)  
Technology [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross carrying amount 55.1 55.1  
Accumulated amortization (44.6) (42.3)  
Customer Relationships [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross carrying amount 130.6 131.6  
Accumulated amortization (111.9) (105.4)  
Internally Developed Software [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross carrying amount 78.7 60.5  
Accumulated amortization (42.5) (42.7)  
Other [Member]      
Finite-Lived Intangible Assets [Line Items]      
Gross carrying amount 24.6 25.0  
Accumulated amortization $ (24.6) $ (25.0)