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Other Employee Benefit Plans (Details) | 12 Months Ended
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Oct. 31, 2020 CAD ($) | Oct. 31, 2020 USD ($) | Nov. 02, 2019 CAD ($) | Nov. 02, 2019 USD ($) | Nov. 03, 2018 CAD ($) | Nov. 03, 2018 USD ($)
Defined Contribution Pension Plan Canada |  |  |  |  |  |
Schedule of Defined Contribution Pension And Other Postretirement Plans Disclosure [Line Items] |  |  |  |  |  |
Maximum total employee and employer contribution percentage | 18.00% | 18.00% |  |  |  |
Maximum total employee and employer contribution amount | $ 27,830 | $ 20,895 |  |  |  |
Required employer contribution percent | 1.00% | 1.00% |  |  |  |
Employer matching percentage for eligible employee contribution | 50.00% | 50.00% |  |  |  |
Percentage of employee contribution with employer matching contribution | 6.00% | 6.00% |  |  |  |
Employer matching contributions | $ 7,000,000.0 | $ 5,300,000 | $ 5,200,000 | $ 3,900,000 | $ 5,100,000 | $ 3,800,000
Defined Contribution Profit Sharing Plan |  |  |  |  |  |
Schedule of Defined Contribution Pension And Other Postretirement Plans Disclosure [Line Items] |  |  |  |  |  |
Employer matching percentage for eligible employee contribution | 50.00% | 50.00% |  |  |  |
Percentage of employee contribution with employer matching contribution | 8.00% | 8.00% |  |  |  |
Employer matching contributions |  | $ 7,500,000 |  | $ 5,900,000 |  | $ 5,800,000
Maximum employee contribution percentage of pre-tax compensation | 60.00% | 60.00% |  |  |  |
Employer discretionary contribution amount |  | $ 0 |  |  |  |

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