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Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
May 26, 2017
May 27, 2016
May 26, 2017
May 27, 2016
Income Statement [Abstract]        
Sales to affiliates $ 21,554 $ 7,774 $ 48,242 $ 30,581