CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid in Capital	Unallocated Shares of ESOP	Accumulated Other Comprehensive Loss	Retained Earnings
Beginning Balance at Aug. 02, 2014	$ 1,243,364	$ 498	$ 402,875	$ (14)	$ (5,152)	$ 845,157
Beginning Balance (shares) at Aug. 02, 2014	49,771	49,771
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Value, Employee Stock Ownership Plan	2			2
Stock option exercises and restricted stock vestings, net of tax		227
Stock option exercises and restricted stock vestings, net of tax	(1,566)	2	(1,568)
Share-based compensation	5,962		5,962
Tax benefit associated with stock plans	1,659		1,659
Foreign currency translation adjustments	(2,562)				(2,562)
Net income	33,042					33,042
Ending Balance at Nov. 01, 2014	$ 1,279,901	$ 500	$ 408,928	$ (12)	$ (7,714)	$ 878,199
Ending Balance (shares) at Nov. 01, 2014	49,998	49,998