Summary of Costs Recognized Within Restructuring Charges on Consolidated Income Statement (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Jan. 28, 2017 |
Jan. 30, 2016 |
Jan. 31, 2015 |
|
| Restructuring And Related Activities [Abstract] | |||
| Asset impairment charges | $ 20,576,000 | $ 0 | $ 33,468,000 |
| Office space consolidation charges | 295,000 | 8,571,000 | |
| Severance and related employee costs | 295,000 | 7,816,000 | |
| Other corporate items | 1,365,000 | ||
| Total restructuring charges | 590,000 | $ 0 | 17,752,000 |
| Total impairment and restructuring charges | $ 21,166,000 | $ 51,220,000 | |