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Legal Proceedings Legal (Details)
$ in Thousands
3 Months Ended
Oct. 01, 2018
USD ($)
Aug. 28, 2018
USD ($)
Jul. 25, 2020
USD ($)
Apr. 25, 2020
states
Oct. 26, 2019
USD ($)
Loss Contingencies [Line Items]          
Number of states | states       50  
U.S. Attorney’s Office, Western District Of Virginia          
Loss Contingencies [Line Items]          
Amount of criminal fine and forfeiture under terms of agreement     $ 52,800    
Litigation settlement reserve         $ 58,300
Kirsten Johnsen V. Scott P Anderson Et Al          
Loss Contingencies [Line Items]          
Stock repurchased $ 412,800 $ 412,800