| In millions, except per share items | Aug-03-13 | May-04-13 | Feb-02-13 | Oct-27-12 | Jul-28-12 | Apr-28-12 | Jan-28-12 | Oct-29-11 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net sales | 229.3 | 224.4 | 269.1 | 225.2 | 202.1 | 205.6 | 219.9 | 194.8 |
| Net sales growth | 13.5% | 9.1% | 22.4% | 15.6% | 17.0% | 18.9% | 15.7% | 18.8% |
| Cost of goods sold | 149.8 | 134.7 | 167.9 | 140.1 | 122.5 | 125.9 | 139.5 | 123.4 |
| Gross profit | 79.6 | 89.7 | | 85.1 | 79.5 | 79.7 | | 71.4 |
| Gross margin | 100.0% | 100.0% | | 100.0% | 100.0% | 100.0% | | 100.0% |
| Selling, general, and administrative expense | 68.5 | 63.7 | | 63.7 | 57.8 | 53.8 | | 50.8 |
| Depreciation and amortization expense | 9.3 | 9.0 | | 8.5 | 8.0 | 7.5 | | 6.8 |
| Income from operations | 1.7 | 16.9 | | 12.8 | 13.7 | 18.4 | | 13.8 |
| Operating margin | 100.0% | 100.0% | | 100.0% | 100.0% | 100.0% | | 100.0% |
| Interest expenses (income), net | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Income before income taxes | 1.7 | 17.0 | 23.5 | 12.9 | 13.7 | 18.4 | 21.0 | 13.7 |
| Provision for income taxes | 0.6 | 6.2 | | 4.7 | 4.6 | 6.8 | | 5.0 |
| Tax rate | 36.8% | 36.3% | 0.0% | 36.5% | 33.8% | 36.9% | 0.0% | 36.4% |
| Net income | 1.1 | 10.8 | | 8.2 | 9.1 | 11.6 | | 8.7 |
| |
| Basic income per common share | $0.05 | $0.46 | | $0.34 | $0.37 | $0.47 | | $0.36 |
| Diluted income per common share | $0.04 | $0.44 | | $0.33 | $0.36 | $0.46 | | $0.35 |
| |
| Weighted average basic common shares outstanding | 23.5 | 23.7 | | 23.9 | 24.4 | 24.5 | | 24.5 |
| Weighted average diluted common shares outstanding | 24.3 | 24.4 | | 24.6 | 25.0 | 25.1 | | 25.1 |