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INCOME TAXES - Unrecognized Tax Benefits Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 30, 2016
Jul. 25, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balance at beginning of year $ 514 $ 27,846
Additions based on tax positions related to the current year 117 76
Reductions based on tax positions related to prior periods 0 (546)
Cash paid on settlements 0 (26,862)
Balance at end of year $ 631 $ 514