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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 24, 2019
Feb. 25, 2018
Feb. 24, 2019
Feb. 25, 2018
Income Statement [Abstract]        
Change in net unrealized gains on interest rate swap, tax $ 215 $ (210) $ 190 $ (552)