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Equity-Based Compensation - Summary of Stock Option Activity (Detail)
12 Months Ended
Feb. 03, 2018
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Number of Units, Granted | shares 280,038
Number of Units, Forfeited | shares (14,922)
Number of units outstanding, Ending balance | shares 265,116
Weighted Average Grant Date Fair Value, Granted $ 6.05
Weighted Average Grant Date Fair Value, Forfeited 6.03
Weighted Average Grant Date Fair Value, Ending Balance 6.05
Weighted Average Exercise Price, Granted 13.25
Weighted Average Exercise Price, Forfeited 13.12
Weighted Average Exercise Price, Ending Balance $ 13.26