Stockholders' Equity (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended		6 Months Ended				1 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014 Unrealized Gain on Cash Flow Hedge	Jun. 28, 2014 Net Unrealized Losses on Available-For-Sale Securities	Jan. 31, 2014 Maximum	Jan. 31, 2013 Maximum	Apr. 30, 2012 Maximum
Stockholders' Equity
Number of shares of common stock issued			0.9
Stockholders' Equity
Program Amount authorized to repurchase							$ 100,000,000	$ 50,000,000	$ 100,000,000
Components of accumulated other comprehensive loss, net of taxes
Balance at beginning of the period			(684,000)		333,000	(1,017,000)
Other comprehensive income (loss) before reclassifications			(101,000)		(407,000)	306,000
Amounts reclassified from accumulated other comprehensive loss			186,000		186,000
Other comprehensive income (loss)	(185,000)	(54,000)	85,000	17,000	(221,000)	306,000
Balance at end of the period	(599,000)		(599,000)		112,000	(711,000)
Repurchase of common stock (in shares)			0.2
Repurchase of common stock			$ 11,000,000