Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	May 02, 2014		Aug. 02, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 9,168	[1]	$ 57,767	[1]
Interest rate swap asset (see Note 5)	508		883
Deferred compensation plan assets	26,949	[2]	25,263	[2]
Total assets at fair value	36,625		83,913
Interest rate swap liability (see Note 5)	7,908		11,644
Total liabilities at fair value	7,908		11,644
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	9,168	[1]	57,767	[1]
Interest rate swap asset (see Note 5)	0		0
Deferred compensation plan assets	26,949	[2]	25,263	[2]
Total assets at fair value	36,117		83,030
Interest rate swap liability (see Note 5)	0		0
Total liabilities at fair value	0		0
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	[1]	0	[1]
Interest rate swap asset (see Note 5)	508		883
Deferred compensation plan assets	0	[2]	0	[2]
Total assets at fair value	508		883
Interest rate swap liability (see Note 5)	7,908		11,644
Total liabilities at fair value	7,908		11,644
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	[1]	0	[1]
Interest rate swap asset (see Note 5)	0		0
Deferred compensation plan assets	0	[2]	0	[2]
Total assets at fair value	0		0
Interest rate swap liability (see Note 5)	0		0
Total liabilities at fair value	$ 0		$ 0

[1] Consists of money market fund investments.

[2] Represents plan assets invested in mutual funds established under a Rabbi Trust for the Company's non-qualified savings plan and is included in the Consolidated Balance Sheets as other assets.