Segment and Geographic Area Information - Net Sales by Geographic Region (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	$ 6,276.2	$ 6,800.2	$ 6,939.6
U.S.
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	4,654.9	4,990.4	5,233.0
Asia
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	907.8	968.5	857.3
Europe
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	435.2	485.9	455.0
Other
Revenues From External Customers And Long Lived Assets [Line Items]
Consolidated net sales	$ 278.3	$ 355.4	$ 394.3