Details of Certain Financial Statement Components (Detail) - USD ($) $ in Thousands	Dec. 31, 2018		Dec. 31, 2017	Dec. 31, 2016
Inventory:
Raw materials, net of reserve	$ 61,679		$ 64,175
Work in process, net of reserve	5,939		16,139
Finished goods, net of reserve	44,917		41,095
Total inventory	112,535		121,409
Property and equipment:
Buildings, plant and equipment	213,257		213,329
Automobiles	1,180		1,281
Production tooling	15,526		16,540
Leasehold improvements	10,320		15,263
Computer equipment and software	26,381		27,880
Construction in progress	3,421		9,405
Total property, plant and equipment, gross	270,085		283,698
Less: Accumulated depreciation	(98,705)		(83,404)
Total property, plant and equipment, net	171,380		200,294
Other intangible assets:
Other intangible assets	137,583		160,908
Accumulated amortization	(81,198)		(77,622)
Total other intangible assets Net	56,385		83,286
Accrued liabilities:
Tax accruals	6,468		16,169
Accrued warranty	4,514		5,382	$ 5,443
Accrued employee liabilities	25,449		25,503
Liabilities from discounts and rebates	16,907		16,057
Other accrued liabilities	12,470		14,098
Total accrued liabilities	65,808	[1]	77,209
Customer relationships
Other intangible assets:
Other intangible assets	87,316		101,213
Technology
Other intangible assets:
Other intangible assets	39,167		47,641
Product development costs
Other intangible assets:
Other intangible assets	$ 11,100		$ 12,054

[1] During 2018, unearned revenues associated with GPT and CSZ-IC were classified as liabilities held for sale. As of December 31, 2018, 5,351 in unearned revenues associated with GPT and CSZ-IC were classified as liabilities held for sale.