Stockholders' Equity - Components of AOCI (Details) - USD ($) $ in Thousands, shares in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015	Aug. 31, 2015	Oct. 31, 2014
Number of shares of common stock issued			0.8
Program Amount authorized to repurchase					$ 100,000	$ 100,000
Repurchase of common stock (in shares)			0.9	1.6
Repurchase of common stock			$ 40,500	$ 71,400
Components of accumulated other comprehensive loss, net of taxes
Balance			761,114
Other comprehensive income (loss)	$ 119	$ (90)	(102)	$ (537)
Balance	787,629		787,629
Unrealized Gain (Loss) on Cash Flow Hedge
Components of accumulated other comprehensive loss, net of taxes
Balance			60
Other comprehensive loss before reclassifications			(137)
Amounts reclassified from accumulated other comprehensive loss			124
Other comprehensive income (loss)			(13)
Balance	47		47
Net Unrealized Losses on Available-For-Sale Securities
Components of accumulated other comprehensive loss, net of taxes
Balance			(567)
Other comprehensive loss before reclassifications			(89)
Other comprehensive income (loss)			(89)
Balance	(656)		(656)
Accumulated Other Comprehensive Loss
Components of accumulated other comprehensive loss, net of taxes
Balance			(507)
Other comprehensive loss before reclassifications			(226)
Amounts reclassified from accumulated other comprehensive loss			124
Other comprehensive income (loss)			(102)
Balance	$ (609)		$ (609)