The Company and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule Of Estimated Useful Lives Of Property and Equipment, Net [Table Text Block]

Property and equipment are stated at historical cost, less accumulated depreciation. Depreciation is computed using the straight-line method over the estimated useful lives of the assets as follows:

Computer equipment	2 years
Furniture and fixtures	5 years
Software	2-5 years
Machinery and equipment	2-3 years
Leasehold improvements	Shorter of the lease term or 5 years

Schedule of Product Warranty Liability [Table Text Block]

Changes in the Company's warranty liability, which is included as a component of “Other accrued liabilities” in the consolidated balance sheets, are as follows (in thousands):

	Year Ended December 31,
	2014			2013
Balance as of beginning of the year	$	48,754		$	46,659
Provision for warranty obligations made during the year	62,709			69,755
Settlements made during the year	(66,575		)	(67,660		)
Balance at end of year	$	44,888		$	48,754