Stock Repurchase Program (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
	Sep. 27, 2014	Dec. 28, 2013	Sep. 28, 2013
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount	$ 10
Stock Repurchased During Period, Shares	359,905
Stock Repurchased During Period, Value	$ 4.8
Treasury Stock Acquired, Average Cost Per Share	$ 13.45
Preferred Stock, Shares Outstanding	0	0	0
Common Stock, Shares Authorized	(50,000,000)	(50,000,000)	(50,000,000)
Common Stock, Par or Stated Value Per Share	$ (0.001)	$ (0.001)	$ (0.001)