Commitments and Contingencies (Details) $ in Thousands, $ in Millions	3 Months Ended			47 Months Ended
	Jan. 30, 2021 USD ($) government_entity	Jan. 30, 2021 CAD ($) government_entity	Feb. 01, 2020 USD ($)	Jan. 30, 2021 USD ($)	Jan. 30, 2021 CAD ($)	Jan. 30, 2021 CAD ($)
Loss Contingencies [Line Items]
Maximum amount of Canadian grant	$ 45,100			$ 45,100		$ 57.6
Number of Canadian government entities | government_entity	3	3
Total revenue | $	$ 757,130		$ 832,912
Amounts receivable from grant	2,500			2,500		$ 3.2
Grants
Loss Contingencies [Line Items]
Total revenue	$ 2,800	$ 3.6		$ 34,600	$ 44.2