Share-Based Compensation Plans - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Aug. 01, 2021 USD ($) tranche	Aug. 02, 2020 USD ($)	Aug. 01, 2021 USD ($) tranche shares	Aug. 02, 2020 USD ($)	Nov. 01, 2020 USD ($)	Nov. 03, 2019 USD ($) tranche	Apr. 20, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 0.5	$ 0.4	$ 1.2	$ 1.1
Deferred cash awards					$ 2.2
Aggregate cash payments made in lieu of equity awards					0.4
Options exercised in period (in shares) | shares			0
Total unrecognized compensation cost	4.1		$ 4.1
Weighted average vesting period			2 years 2 months 12 days
Compensation cost not yet recognized, expected to be recognized in 2021	0.8		$ 0.8
Compensation cost not yet recognized, expected to be recognized in 2022	2.3		2.3
Compensation cost not yet recognized, expected to be recognized in 2023	0.8		0.8
Compensation cost not yet recognized, expected to be recognized in 2024	$ 0.2		$ 0.2
Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches | tranche	3		3			3
Fair value of grants in period			$ 1.6			$ 1.2
Performance Stock Units (PSUs) | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options, payout rate (as a percent)			0.00%			0.00%
Performance Stock Units (PSUs) | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options, payout rate (as a percent)			150.00%			150.00%
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of grants in period			$ 2.4		$ 0.7	$ 2.1
Restricted Stock Units (RSUs) | Board of Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year			1 year
Restricted Stock Units (RSUs) | Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years			3 years
Restricted Stock Units (RSUs) and Cash Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					3 years
Vesting Period One | Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year			1 year
Vesting Period Two | Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			2 years			2 years
Vesting Period Three | Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years			3 years
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity Incentive Plan, common stock available for grant (in shares) | shares							3,700,000