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Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Sep. 26, 2019
Sep. 27, 2018
Statement of Stockholders' Equity [Abstract]    
Cash dividends per common share $ 3.00 $ 2.55
Pension liability amortization income tax expense $ (86) $ (66)