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Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares
3 Months Ended 6 Months Ended
Dec. 29, 2019
Dec. 23, 2018
Dec. 29, 2019
Dec. 23, 2018
Statement of Stockholders' Equity [Abstract]        
Dividends declared per share (usd per share) $ 1.15 $ 1.10 $ 2.3 $ 2.20