Segment and Geographic Area Information - Net Sales by Geographic Region (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	$ 4,766.3	$ 5,473.2	$ 5,702.4
U.S.
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	3,451.3	3,851.9	3,892.6
Asia
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	868.9	907.8	968.5
Europe
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	224.5	435.2	485.9
Other
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	$ 221.6	$ 278.3	$ 355.4