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Balance Sheet Information - Supplemental Information on Balance Sheets (Detail) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Inventories:    
Raw materials and supplies $ 354.2 $ 346.6
Work in process 80.9 76.7
Finished products 523.3 443.9
Total inventories 958.4 867.2
Property, plant and equipment, gross 2,159.2 2,150.1
Less: accumulated depreciation 1,254.1 1,232.7
Property, plant and equipment, net $ 905.1 $ 917.4