Annual report pursuant to Section 13 and 15(d)

Segment Information - Schedule of Property, Plant and Equipment and Deferred Tax Assets by Geographic Area (Detail)

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Segment Information - Schedule of Property, Plant and Equipment and Deferred Tax Assets by Geographic Area (Detail) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of Property Plant and Equipment and Deferred Tax Assets [Line Items]      
Total property, plant, and equipment, net $ 390.2 $ 371.5 $ 360.0
Total deferred tax assets 200.4 182.8 165.6
United States [Member]      
Schedule of Property Plant and Equipment and Deferred Tax Assets [Line Items]      
Total property, plant, and equipment, net 303.2 292.4 285.2
Total deferred tax assets 123.8 114.5 90.7
Foreign [Member]      
Schedule of Property Plant and Equipment and Deferred Tax Assets [Line Items]      
Total property, plant, and equipment, net 87.0 79.1 74.8
Total deferred tax assets $ 76.6 $ 68.3 $ 74.9