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REVENUE RECOGNITION - Accounts Receivable (Details) - USD ($)
$ in Thousands
Jan. 26, 2019
Jul. 28, 2018
Revenue from Contract with Customer [Abstract]    
Customer accounts receivable $ 1,093,195 $ 595,698
Allowance for uncollectible receivables (15,278) (15,996)
Other receivables, net 16,957 0
Accounts receivable, net 1,094,874 579,702
Customer notes receivable, included within Prepaid expenses and other current assets 16,473 0
Long-term notes receivable, included within Other assets $ 37,863 $ 0