Details of Certain Financial Statement Components (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Inventory:
Raw materials, net of reserve	$ 33,783		$ 28,279
Work in process, net of reserve	2,864		2,461
Finished goods, net of reserve	27,570		23,016
Total inventory	64,217		53,756
Property Plant And Equipment [Abstract]
Buildings, plant and equipment	69,555		49,259
Automobiles	545		398
Production tooling	9,747		8,393
Leasehold improvements	6,986		3,390
Computer equipment and software	15,190		11,293
Construction in progress	2,854		6,909
Total property, plant and equipment, gross	104,877		79,642
Less: Accumulated depreciation	(25,643)	[1]	(24,632)	[1]
Total property, plant and equipment, net	79,234		55,010
Other intangible assets:
Other intangible assets	127,905		124,445
Less: Accumulated amortization	(44,474)		(28,575)
Total Other intangible assets Net	83,431		95,870
Accrued liabilities:
Tax accruals	7,944		8,309
Accrued warranty	10,308		8,588		8,487
Accrued employee liabilities	17,081		11,183
Liabilities from discounts and rebates	5,485		3,977
Other accrued liabilities	25,965		22,100
Total accrued liabilities	66,783		54,157
Customer relationships
Other intangible assets:
Other intangible assets	81,008		77,499
Technology
Other intangible assets:
Other intangible assets	31,808		30,283
Product Development
Other intangible assets:
Other intangible assets	$ 15,089		$ 16,663

[1] Includes accumulated amortization of capital lease obligations.