Stock Compensation Plans - Additional Information (Details) - USD ($) $ in Millions		12 Months Ended
	Aug. 04, 2016	Jan. 28, 2017
Non Employee Directors
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of annual retainer		50.00%
2016 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Incentive plan expiration date		Jul. 31, 2016
Common stock reserve, shares	5,200,000
Reduction in outstanding reserve for share granted	1.00%
Reduction in outstanding reserve for share granted, full-value award	1.90%
Share-based compensation arrangement plan modification description		In addition to the initial share reserve of 5,200,000 shares, the 525,538 shares that remained available under our 2006 Plan were added and became available for issuance under the 2016 Plan on August 4, 2016. In accordance with the terms of the 2016 Plan, any shares outstanding under the 2006 Plan at August 4, 2016 that subsequently terminate, expire or are canceled for any reason without having been exercised or paid are added back and become available for issuance under the 2016 Plan, with options and stock appreciation rights being added back on a one-for-one basis and full-value awards being added back on a 1 to1.9 basis. Accordingly, an additional 588,796 shares were added to share availability under the 2016 Plan during fiscal 2016. At January 28, 2017, the Company had 6,233,824 shares available under the 2016 Plan.
Shares available for grant		6,233,824
Number of additional shares authorized	525,538	588,796
Performance-based compensation description		Plan are added back and become available for issuance under the 2016 Plan, with options and stock appreciation rights being added back on a one-for-one basis and full-value awards being added back on a 1 to1.9 basis.
Percent of shares available for awards	5.00%
Share-based compensation description		Except with respect to 5% of the shares available for awards under the 2016 Plan, no award will become exercisable or otherwise forfeitable unless such award has been outstanding for a minimum period of one year from its date of grant.
Employee Stock Plan, 2006 Plan and 2016 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options exercised		0
Unrecognized stock compensation		$ 1.2
Unrecognized stock compensation cost weighted average recognition period		20 months