Stockholders' Equity (Details) - USD ($) $ in Thousands, shares in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013	Aug. 31, 2015	Oct. 31, 2014	Jan. 31, 2014	Jan. 31, 2013	Apr. 30, 2012
Number of shares of common stock issued	1.2
Program Amount authorized to repurchase				$ 100,000	$ 100,000	$ 100,000	$ 50,000	$ 100,000
Repurchase of common stock	$ 71,448	$ 71,676	$ 26,022
Components of accumulated other comprehensive loss, net of taxes
Balance	758,056	738,562	649,973
Other comprehensive income (loss)	(425)	602	262
Balance	761,114	758,056	738,562
Unrealized Gain on Cash Flow Hedge
Components of accumulated other comprehensive loss, net of taxes
Balance	215	333	(428)
Other comprehensive income ( loss) before reclassifications	(473)	(520)	397
Amounts reclassified from accumulated other comprehensive loss	318	402	364
Other comprehensive income (loss)	(155)	(118)	761
Balance	60	215	333
Net Unrealized Losses on Available-For-Sale Securities
Components of accumulated other comprehensive loss, net of taxes
Balance	(297)	(1,017)	(518)
Other comprehensive income ( loss) before reclassifications	(276)	720	(348)
Amounts reclassified from accumulated other comprehensive loss	6		(151)
Other comprehensive income (loss)	(270)	720	(499)
Balance	(567)	(297)	(1,017)
Accumulated Other Comprehensive Loss
Components of accumulated other comprehensive loss, net of taxes
Balance	(82)	(684)	(946)
Other comprehensive income ( loss) before reclassifications	(749)	200	49
Amounts reclassified from accumulated other comprehensive loss	324	402	213
Other comprehensive income (loss)	(425)	602	262
Balance	$ (507)	$ (82)	$ (684)