Business Segments - Net Sales by Manufacturing Geographic Location (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 317,103	$ 352,014	$ 763,050	$ 1,062,206
U.S. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	5,094	26,916	24,890	81,638
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	161,568	161,173	356,239	471,969
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	58,413	59,548	142,177	180,785
Poland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 92,028	$ 104,377	$ 239,744	$ 327,814