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Employee Benefits - Employee Vacation Policy Changes (Details)
$ in Millions
3 Months Ended
Jan. 26, 2019
USD ($)
Employee Vacation Policy Changes  
Non-cash gain due to change in employee vacation policy $ 5.1
Cost of Sales  
Employee Vacation Policy Changes  
Non-cash gain due to change in employee vacation policy 1.3
Incremental expense due to change in employee vacation policy $ 0.3