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Consolidated Statements of Comprehensive Income Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 27, 2015
Dec. 28, 2014
Statement of Comprehensive Income [Abstract]        
Tax benefit (expense) on net unrealized (loss) gain on available-for-sale securities $ 113 $ 489 $ (376) $ 827