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MERCHANDISE INVENTORIES	9 Months Ended
MERCHANDISE INVENTORIES	Apr. 25, 2020
Inventory Disclosure [Abstract]
MERCHANDISE INVENTORIES	MERCHANDISE INVENTORIES At both April 25, 2020 and July 27, 2019, approximately 64% of merchandise inventories are valued by the LIFO method while the balance is valued by FIFO. If the FIFO method had been used for the entire inventory, inventories would have been $14,912 and $14,512 higher than reported at April 25, 2020 and July 27, 2019, respectively.