SIGNIFICANT ACCOUNTING POLICIES (Details 6) $ in Thousands	12 Months Ended
	Jul. 29, 2017 USD ($) circumstance	Jul. 30, 2016 USD ($)
Notes Receivable, Trade
Number of circumstances under which the company issues trade notes receivable to certain customers (in counts) | circumstance	2
Maximum period of notes receivable issued in connection with store openings (in months)	36 months
Minimum period of extension for notes issued in connection with overdue accounts receivable (in years)	1 year
Carrying Value
Assets:
Cash and cash equivalents	$ 15,414	$ 18,593
Accounts receivable	525,636	489,708
Notes receivable	2,359	3,709
Liabilities:
Accounts payable	534,616	445,430
Notes payable	223,612	426,519
Long-term debt, including current portion	161,991	173,593
Fair Value
Assets:
Cash and cash equivalents	15,414	18,593
Accounts receivable	525,636	489,708
Notes receivable	2,359	3,709
Liabilities:
Accounts payable	534,616	445,430
Notes payable	223,612	426,519
Long-term debt, including current portion	$ 169,058	$ 182,790