Certain Balance Sheet Components Property, Plant, and Equipment, Net (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Machinery and equipment	$ 290,500	$ 287,791
Computers and software	88,186	84,980
Buildings, furniture, and improvements	143,420	146,191
Land	24,663	25,318
Construction in progress, including purchased equipment	33,529	26,097
Total cost	580,298	570,377
Accumulated depreciation	(330,926)	(315,165)
Property, plant, and equipment, net	$ 249,372	$ 255,212