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Corporate Restructuring - Additional Information (Details) $ in Millions |  | 12 Months Ended
--- | --- | ---
May 16, 2018 Employee | Feb. 02, 2019 USD ($)
Restructuring Cost And Reserve [Line Items] |  |
Corporate restructuring plan expected initiation, date | May 16, 2018 |
Number of positions eliminated | 56 |
Percentage of total corporate employees eliminated as result of restructuring | 15.00% |
Percentage of total employees eliminated as result of restructuring | 2.00% |
Number of employees notified of their termination | Employee | 36 |
Number of positions representing open that will not be filled | 20 |
Restructuring and cost remaining cash expenditures |  | $ 1.6
Accrued liability related to restructuring |  | 0.2
Severance, One-time Termination Benefits and Other Employee-related Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Corporate restructuring |  | $ 1.9

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