Details of Certain Financial Statement Components (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Inventory:
Raw materials, net of reserve	$ 48,678		$ 33,783
Work in process, net of reserve	4,009		2,864
Finished goods, net of reserve	24,956		27,570
Total inventory	77,643		64,217
Property and equipment:
Buildings, plant and equipment	76,239		69,555
Automobiles	499		545
Production tooling	11,256		9,747
Leasehold improvements	7,331		6,986
Computer equipment and software	15,560		15,190
Construction in progress	8,063		2,854
Total property, plant and equipment, gross	118,948		104,877
Less: Accumulated depreciation	(27,221)	[1]	(25,643)	[1]
Total property, plant and equipment, net	91,727		79,234
Other intangible assets:
Other intangible assets	121,885		127,905
Accumulated Amortization	(53,756)		(44,474)
Net Value	68,129		83,431
Accrued liabilities:
Tax accruals	15,696		7,944
Accrued warranty	5,221		10,308		8,588
Accrued employee liabilities	19,783		17,081
Liabilities from discounts and rebates	8,429		5,485
Other accrued liabilities	19,258		25,965
Total accrued liabilities	68,387		66,783
Customer relationships
Other intangible assets:
Other intangible assets	77,026		81,008
Technology
Other intangible assets:
Other intangible assets	32,467		31,808
Product Development
Other intangible assets:
Other intangible assets	$ 12,392		$ 15,089

[1] Includes accumulated amortization of capital lease obligations.