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DERIVATIVES Gains or losses recognized (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 26, 2019
Jan. 27, 2018
Jan. 26, 2019
Jan. 27, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]        
Interest expense $ 58,707 $ 4,137 $ 66,232 $ 7,713
Gain or (loss) reclassified from comprehensive income into income (108) 81 443 51
Gain or (loss) recognized as interest expense $ 22 $ 0 $ (66) $ 0