Share-Based Compensation - Performance-based Restricted Stock Units and Cash-Settled Awards (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended |
May 04, 2019 |
May 05, 2018 |
| Performance Shares, Restricted Stock Units [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Award vesting period |
|
3 years
|
| Granted (in shares) |
0.5
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| Grant date weighted average fair value, granted (in dollar per share) |
$ 7.54
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| Performance Shares, Restricted Stock Units [Member] | Minimum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Target percentage of performance award which can be earned |
|
0.00%
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| Performance Shares, Restricted Stock Units [Member] | Maximum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Target percentage of performance award which can be earned |
|
200.00%
|
| Cash-Settled Awards [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Award vesting period |
3 years
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| Unrecognized compensation costs |
$ 2.1
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| Period for recognition |
2 years 6 months
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| Cash-Settled Awards [Member] | Minimum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Target percentage of performance award which can be earned |
0.00%
|
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| Cash-Settled Awards [Member] | Maximum [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Target percentage of performance award which can be earned |
200.00%
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