Repurchase of Common Stock (Details) (USD $)	3 Months Ended
	Apr. 04, 2015	Mar. 29, 2014
Repurchase of Common Stock [Abstract]
Amount repurchased under Board-approved share repurchase program	$ 20,007,000	$ 10,011,000
Stock Repurchase Acquired Through Tax Withholding Restricted Stock	468,000	225,000
Total amount repurchased	20,475,000	10,236,000
Remaining Authorized Amount, Stock Repurchase Program	$ 215,000,000