ACQUISITIONS (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 01, 2015	May. 02, 2015	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May. 03, 2014	Feb. 01, 2014	Nov. 02, 2013	Aug. 01, 2015	Aug. 02, 2014	Aug. 03, 2013	Jul. 15, 2014
Acquisitions
Net sales	$ 2,061,313	$ 2,114,643	$ 2,016,546	$ 1,992,476	$ 1,764,666	$ 1,781,729	$ 1,646,041	$ 1,602,011	$ 8,184,978	$ 6,794,447	$ 6,064,355
Shares issued in acquisition	50,096,000				49,771,000				50,096,000	49,771,000
Goodwill adjustment from prior year business combinations									$ (3,487)
Cash consideration paid in connection with acquisition									8,036	$ 211,574	8,135
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill	$ 266,640				$ 274,548				$ 266,640	274,548	201,874
Trademarks and tradenames | Minimum
Acquisitions
Useful lives of intangibles assets with definite lives									4 years
Trademarks and tradenames | Maximum
Acquisitions
Useful lives of intangibles assets with definite lives									10 years
Noncompete Agreements
Acquisitions
Useful lives of intangibles assets with definite lives									5 years
Noncompete Agreements | Minimum
Acquisitions
Useful lives of intangibles assets with definite lives									1 year
Noncompete Agreements | Maximum
Acquisitions
Useful lives of intangibles assets with definite lives									10 years
Customer relationships
Acquisitions
Useful lives of intangibles assets with definite lives									20 years
Customer relationships | Minimum
Acquisitions
Useful lives of intangibles assets with definite lives									7 years
Customer relationships | Maximum
Acquisitions
Useful lives of intangibles assets with definite lives									20 years
Wholesale
Acquisitions
Net sales									$ 8,099,818	6,709,119	5,997,235
Goodwill adjustment from prior year business combinations									(3,487)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill	248,909				256,817				248,909	256,817	184,143
Other
Acquisitions
Net sales									225,520	206,618	186,505
Goodwill adjustment from prior year business combinations									0
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill	17,731				17,731				17,731	17,731	$ 17,731
Trudeau Foods, LLC | Wholesale
Acquisitions
Cash consideration paid in connection with acquisition	23,000
Tony's Fine Foods | Wholesale
Acquisitions
Cash consideration paid in connection with acquisition	196,500
Trudeau Foods, LLC | Wholesale | Customer lists
Acquisitions
Identifiable intangible assets	9,500
Tony's Fine Foods
Acquisitions
Liabilities	60,698				60,698				60,698	60,698
Goodwill adjustment from prior year business combinations									61,500
Acquisition Costs, Cumulative	300				1,500				300	1,500
Business Acquisition, Pro Forma Revenue									882,800	45,300
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Accounts receivable	40,577				40,307				40,577	40,307
Inventory	31,807				31,807				31,807	31,807
Property and equipment	41,983				42,793				41,983	42,793
Other assets	5,815				5,815				5,815	5,815
Customer relationships	54,800				55,500				54,800	55,500
Tradename and other intangible assets	26,900				26,000				26,900	26,000
Goodwill	61,487				64,644				61,487	64,644
Total assets	263,369				266,866				263,369	266,866
Liabilities	60,698				60,698				60,698	60,698
Total purchase price	202,671				$ 206,168				202,671	$ 206,168
Adjustments in Current Fiscal Year
Accounts receivable									270
Inventory									0
Property and equipment									(810)
Other assets									0
Customer relationships									(700)
Tradename and other intangible assets									900
Goodwill									(3,157)
Total assets									(3,497)
Liabilities									0
Total purchase price									$ (3,497)
Tony's Fine Foods | Wholesale
Acquisitions
Cash consideration paid in connection with acquisition	202,700
Shares issued in acquisition												112,000
Tony's Fine Foods | Wholesale | Customer lists
Acquisitions
Identifiable intangible assets	54,800
Tony's Fine Foods | Wholesale | Trademarks and tradenames
Acquisitions
Identifiable intangible assets	25,200
Tony's Fine Foods | Wholesale | Noncompete Agreements
Acquisitions
Identifiable intangible assets	$ 1,700