Share-Based Compensation - Stock Options (Details) |
12 Months Ended |
|---|---|
Jan. 28, 2017 | |
| Vesting Details [Line Items] | |
| Contractual Term (in years) | 5 years 8 months 10 days |
| Stock Options [Member] | |
| Vesting Details [Line Items] | |
| Annual award vesting percentage (as a percent) | 25.00% |
| Award vesting period (in years) | 4 years |
| Requisite service period for retirement eligibility (in years) | 10 years |
| Minimum age of individual for retirement eligibility (in years) | 55 years |
| Contractual Term (in years) | 10 years |