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Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Sep. 24, 2020
Sep. 26, 2019
Statement of Stockholders' Equity [Abstract]    
Cash dividends per common share $ 2.50 $ 3.00
Pension liability amortization income tax expense $ 104 $ 86