Balance Sheet Details Inventory (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Balance Sheet Details [Abstract]
Inventory Valuation Reserves	$ 5,620	$ 7,927
Document Period End Date	Dec. 31, 2012
Inventory, Raw Materials, Net of Reserves	31,629	27,153
Inventory, Work in Process, Net of Reserves	15,889	11,172
Inventory, Finished Goods, Net of Reserves	15,904	11,176
Inventory, Net	63,422	49,501
Inventory Write-down	2,934	1,324
Inventory Disposal	$ 5,241	$ 933