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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - $ / shares
shares in Thousands
3 Months Ended 12 Months Ended
Oct. 24, 2020
Jul. 25, 2020
Oct. 26, 2019
Jul. 27, 2019
Apr. 25, 2020
Dividends declared (in dollars per share) $ 0.07 $ 0 $ 0.13    
Dividends paid (in dollars per share)       $ 0.13  
Accounting Standards Update [Extensible List]         us-gaap:AccountingStandardsUpdate201602Member
Common Shares          
Shares purchased (in shares)     335 391