CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
May 03, 2013	Apr. 27, 2012	May 03, 2013	Apr. 27, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Net income	$ 24,602	$ 18,974	$ 82,962	$ 68,385
Other comprehensive income before income tax expense:
Change in fair value of interest rate swaps	4,982	6,348	17,493	12,902
Income tax expense	1,921	1,808	6,711	2,000
Other comprehensive income, net of tax	3,061	4,540	10,782	10,902
Comprehensive income	$ 27,663	$ 23,514	$ 93,744	$ 79,287

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

Tax effect of other comprehensive income (loss) attributable to both parent entity and noncontrolling interest.

+ References

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+ Details

- Definition

Before tax amount of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

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+ Details