CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Feb. 01, 2014	Jan. 26, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 55,715,000	$ 44,156,000
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	22,998,000	20,944,000
Share-based compensation	9,507,000	7,889,000
Loss (gain) on disposals of property and equipment	46,000	(20,000)
Excess tax benefits from share-based payment arrangements	(2,321,000)	(30,000)
Impairment of intangible asset	0	1,629,000
Provision for doubtful accounts	1,601,000	1,497,000
Non-cash interest expense	1,050,000	0
Changes in assets and liabilities, net of acquired businesses:
Accounts receivable	(66,988,000)	(51,057,000)
Inventories	(60,139,000)	(94,621,000)
Prepaid expenses and other assets	(15,953,000)	(11,762,000)
Accounts payable	19,022,000	32,140,000
Accrued expenses and other liabilities	(363,000)	651,000
Net cash used in operating activities	(35,825,000)	(48,584,000)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(76,320,000)	(20,026,000)
Purchases of acquired businesses, net of cash acquired	(23,005,000)	(9,266,000)
Proceeds from disposals of property and equipment	102,000	2,342,000
Net cash used in investing activities	(99,223,000)	(26,950,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt	(396,000)	(400,000)
Proceeds from borrowings under revolving credit line	347,474,000	361,906,000
Repayments of borrowings under revolving credit line	(237,284,000)	(302,808,000)
Increase in bank overdraft	28,378,000	10,504,000
Proceeds from exercise of stock options	1,692,000	1,455,000
Payment of employee restricted stock tax withholdings	(3,570,000)	(3,335,000)
Excess tax benefits from share-based payment arrangements	2,321,000	30,000
Capitalized debt issuance costs	0	(12,000)
Net cash provided by financing activities	138,615,000	67,340,000
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(103,000)	157,000
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	3,464,000	(8,037,000)
Cash and cash equivalents at beginning of period	11,111,000	16,122,000
Cash and cash equivalents at end of period	14,575,000	8,085,000
Supplemental disclosures of cash flow information:
Cash paid for interest	2,925,000	2,195,000
Cash paid for federal and state income taxes, net of refunds	$ 42,072,000	$ 32,315,000