Segment Information about Reported Product Revenues, Depreciation and Amortization and Operating Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Product revenues	$ 257,921	$ 264,586
Type of Revenue [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember
Depreciation and amortization	$ 11,052	$ 12,892
Operating income (loss)	21,845	20,649
Automotive Segments
Segment Reporting Information [Line Items]
Product revenues	242,357	242,421
Industrial Segments
Segment Reporting Information [Line Items]
Product revenues	15,564	22,165
Operating Segments | Automotive Segments
Segment Reporting Information [Line Items]
Product revenues	$ 242,357	$ 242,716
Type of Revenue [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember
Depreciation and amortization	$ 10,296	$ 10,809
Operating income (loss)	39,896	41,282
Operating Segments | Industrial Segments
Segment Reporting Information [Line Items]
Product revenues	$ 15,564	$ 21,870
Type of Revenue [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember
Depreciation and amortization	$ 290	$ 1,351
Operating income (loss)	$ (4,514)	$ (6,798)
Reconciling Items
Segment Reporting Information [Line Items]
Type of Revenue [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember
Depreciation and amortization	$ 466	$ 732
Operating income (loss)	$ (13,537)	$ (13,835)