Employee Benefit Plans - Restricted Stock and Stock Unit Awards (Narrative) (Details) $ / shares in Units, shares in Millions, $ in Millions |
12 Months Ended |
|---|---|
|
Feb. 01, 2020
USD ($)
$ / shares
shares
| |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Closing stock price (in usd per share) | $ / shares | $ 24.04 |
| RSUs | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Aggregate intrinsic value expected to vest | $ 473.8 |
| Number of shares expected to vest | shares | 19.7 |
| Unamortized compensation expense | $ 335.3 |
| Unrecognized share based compensation cost, weighted-average period of recognition (in years) | 1 year 11 months 4 days |