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Subsequent Events (Notes)	3 Months Ended
Subsequent Events (Notes)	Mar. 29, 2015
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On April 23, 2015, the stockholders approved an amendment to the 2009 Stock Plan to reserve an additional 2,500,000 shares of common stock for issuance under the 2009 Stock Plan. On the same day the stockholders approved an amendment to the 2009 Employee Stock Purchase Plan to reserve an additional 1,000,000 shares of common stock for issuance under the 2009 Employee Stock Purchase Plan.