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Stock-Based Compensation Restricted Stock Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Feb. 03, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Number of shares outstanding and unvested, beginning (in shares) 0
Granted (in shares) 2,460,594
Vested (in shares) (2,143)
Forfeited (in shares) (215,965)
Converted (in shares) 0
Number of shares outstanding and unvested, ending (in shares) 2,242,486
Number of shares expected to vest (in shares) 2,050,166
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Weighted-average exercise price, beginning (usd per share) $ 0.00
Granted (usd per share) 13.28
Vested (usd per share) 14.00
Forfeited (usd per share) 14.00
Converted (usd per share) 0.00
Weighted-average exercise price, ending (usd per share) 13.21
Number of shares expected to vest (in shares) $ 13.22
Equity instruments other than options, granted, weighted-average contractual life (years) 1 year 8 months 16 days
Equity instruments other than options, outstanding, weighted-average contractual life (years) 1 year 10 months 18 days
Equity instruments other than options, expected to vest, weighted-average contractual life (years) 2 years 19 days
Equity instruments other than options, granted, aggregate intrinsic value $ 26,058
Equity instruments other than options, outstanding, aggregate intrinsic value 23,748
Equity instruments other than options, expected to vest, aggregate intrinsic value $ 21,711