Amount at target of long-term incentive awards granted during the period.

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Amount of long-term incentive awards granted during the period maximum value.

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Period over which long-term incentive awards vest, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Number of shares purchased for issuance under share-based payment arrangement.

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Share-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Share-based Compensation
Share-based payment arrangement, expense	$ 3.4	$ 2.5	$ 8.8	$ 6.9
Share-based compensation arrangement by share-based payment award shares repurchased in period	(10,554)
Share-based compensation arrangement by share-based payment award shares issued in period		32,018	291,306	449,539
Long-term incentive awards granted during the period target value	$ 0.0		$ 6.5	$ 0.0
Long-term incentive awards granted during the period maximum value	$ 0.0		$ 13.0	$ 0.0
Long-term incentive award vesting period			3 years
Restricted Stock
Share-based Compensation
Granted, total number of restricted shares (in shares)	0	35,000	568,916	598,431
Granted (in dollars per share)		$ 9.73	$ 18.73	$ 6.14
Restricted Stock \| Share-based Compensation Award, Cliff-vesting, Tranche One
Share-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting period			1 year	1 year
Granted, total number of restricted shares (in shares)			4,910	12,748
Restricted Stock \| Share-based Compensation Award, Graded-vesting
Share-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting period		3 years	3 years	3 years
Granted, total number of restricted shares (in shares)			544,006	585,683
Restricted Stock \| Share-based Compensation Award, Graded-vesting Tranche One
Share-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting period		2 years	2 years	2 years
Share-based compensation arrangement by share-based payment award, performance percentage earned		50.00%	50.00%	50.00%
Restricted Stock \| Share-based Compensation Award, Graded-vesting Tranche Two
Share-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting period		3 years	3 years	3 years
Share-based compensation arrangement by share-based payment award, performance percentage earned		50.00%	50.00%	50.00%
Restricted Stock \| Share-based Compensation Award, Cliff-vesting, Tranche Two
Share-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting period			2 years
Granted, total number of restricted shares (in shares)			20,000
Performance Shares
Share-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting period			3 years
Granted, total number of restricted shares (in shares)	0	87,750	175,500	87,750
Granted (in dollars per share)		$ 7.47	$ 18.63	$ 7.47
Performance Shares \| Minimum
Share-based Compensation
Share-based compensation arrangement by share-based payment award, performance percentage earned			0.00%
Performance Shares \| Maximum
Share-based Compensation
Share-based compensation arrangement by share-based payment award, performance percentage earned			200.00%
Restricted Stock Units (RSUs)
Share-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting period			1 year
Restricted Stock Units (RSUs) \| Non-employee Director
Share-based Compensation
Granted, total number of restricted shares (in shares)			44,180	118,150
Granted (in dollars per share)	$ 22.49	$ 9.78	$ 27.03	$ 10.01
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, dividend equivalent	1,739	3,618	4,900	16,166