CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Feb. 01, 2014	Jan. 26, 2013	Feb. 01, 2014	Jan. 26, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 27,951	$ 22,620	$ 55,715	$ 44,156
Other comprehensive income (loss), Pre-tax Amount
Foreign currency translation adjustments	(5,326)	(739)	(5,617)	(274)
Total other comprehensive income (loss)	(5,326)	(739)	(5,617)	(274)
Other comprehensive income (loss), Tax (expense) benefit:
Foreign currency translation adjustments	0	0	0	0
Total other comprehensive income (loss):	0	0	0	0
Other comprehensive income (loss), After-tax Amount:
Foreign currency translation adjustments	(5,326)	(739)	(5,617)	(274)
Total other comprehensive income (loss):	(5,326)	(739)	(5,617)	(274)
Total comprehensive income	$ 22,625	$ 21,881	$ 50,098	$ 43,882

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=16317811

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e557-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

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-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569643-111683

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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