Business Segments - Net Sales and Long-Lived Assets by Location (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	$ 1,100,760	$ 1,372,487
Property, Plant and Equipment, net	522,124	529,282
U.S. [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	27,919	104,476
Property, Plant and Equipment, net	7,324	14,146
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	522,160	599,844
Property, Plant and Equipment, net	212,821	223,226
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	212,689	245,805
Property, Plant and Equipment, net	82,162	74,030
Poland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	337,992	422,362
Property, Plant and Equipment, net	$ 219,817	$ 217,880