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Balance Sheet Information - Supplemental Information on Balance Sheets (Detail) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Inventories:    
Raw materials and supplies $ 388.0 $ 346.6
Work in process 85.0 76.7
Finished products 573.8 443.9
Total inventories 1,046.8 867.2
Property, plant and equipment, gross 2,196.1 2,150.1
Less: accumulated depreciation 1,277.9 1,232.7
Property, plant and equipment, net $ 918.2 $ 917.4