Stock-Based Compensation - Reserved Shares (Details) shares in Thousands	Jan. 02, 2016 shares
Stock-Based Compensation
Reserved shares of common stock for future issuance	3,874
2000 Stock Incentive Plan
Stock-Based Compensation
Reserved shares of common stock for future issuance	212
2009 Stock Incentive Plan
Stock-Based Compensation
Reserved shares of common stock for future issuance	2,991
2009 Employee Stock Purchase Plan
Stock-Based Compensation
Reserved shares of common stock for future issuance	671