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Long-Term Incentive Awards (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 30, 2021 | Jul. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2020 | Jul. 31, 2020 | Jul. 27, 2019 | Oct. 30, 2021 | Oct. 29, 2021 | Oct. 31, 2020 | Apr. 30, 2021
Fiscal 2022 LTIP |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Stock based compensation expense | $ 201,000 |  | $ 0 |  |  |  | $ 509,000 |  | $ 0 |
Fiscal 2022 LTIP | Performance based restricted stock units |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Stock based compensation expense |  |  |  |  |  |  | 13,111,000 |  |  |
Fiscal 2022 LTIP | Performance based restricted stock units | 100% Vested |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Vesting (as a percentage) |  | 100.00% |  |  |  |  |  |  |  |
Fiscal 2022 LTIP | Performance based restricted stock units | 50% Vested |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Vesting (as a percentage) |  | 50.00% |  |  |  |  |  |  |  |
Fiscal 2022 LTIP | Performance based restricted stock units | 250% Vested |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Vesting (as a percentage) |  | 250.00% |  |  |  |  |  |  |  |
Fiscal 2021 LTIP | Performance based restricted stock units |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Stock based compensation expense | (572,000) |  | 347,000 |  |  |  | (507,000) |  | 438,000 |
Exercisable period from grant date |  |  |  |  | 3 years |  |  |  |  |
Fiscal 2021 LTIP | Performance based restricted stock units | 100% Vested |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Vesting (as a percentage) |  |  |  |  | 100.00% |  |  |  |  |
Fiscal 2021 LTIP | Performance based restricted stock units | 50% Vested |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Vesting (as a percentage) |  |  |  |  | 50.00% |  |  |  |  |
Fiscal 2021 LTIP | Performance based restricted stock units | 250% Vested |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Vesting (as a percentage) |  |  |  |  | 250.00% |  |  |  |  |
Fiscal 2021 LTIP | Performance based restricted stock units | Maximum |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Stock based compensation expense |  |  |  |  |  |  | 7,337,000 |  |  |
Fiscal 2020 LTIP | Performance based restricted stock units |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Stock based compensation expense | $ (617,000) |  | $ 264,000 |  |  |  | (619,000) |  | 345,000 |
Exercisable period from grant date |  |  |  |  |  | 3 years |  |  |  |
Fiscal 2020 LTIP | Performance based restricted stock units | 100% Vested |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Vesting (as a percentage) |  |  |  |  |  | 100.00% |  |  |  |
Fiscal 2020 LTIP | Performance based restricted stock units | 50% Vested |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Vesting (as a percentage) |  |  |  |  |  | 50.00% |  |  |  |
Fiscal 2020 LTIP | Performance based restricted stock units | 200% Vested |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Vesting (as a percentage) |  |  |  |  |  | 200.00% |  |  |  |
Fiscal 2020 LTIP | Performance based restricted stock units | Maximum |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Stock based compensation expense |  |  |  |  |  |  | $ 3,983,000 |  |  |
Fiscal 2019 LTIP | Performance based restricted stock units |  |  |  |  |  |  |  |  |  |
Stock Based Compensation |  |  |  |  |  |  |  |  |  |
Stock based compensation expense |  |  |  | $ 189,000 |  |  |  | $ 0 | $ 264,000 |
Exercisable period from grant date |  |  |  |  |  |  |  |  |  | 3 years
Issue of fully-vested shares of common stock to settle |  | 12,101 |  |  |  |  |  |  |  |

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