| In millions, except per share items | Jul-02-23 | Apr-02-23 | Jan-01-23 | Oct-02-22 | Jul-03-22 | Apr-03-22 | Jan-02-22 | Oct-03-21 |
| | 10-Q | 10-Q | 8-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Revenues: | | | | | | | | |
| Revenues | 403.5 | 395.1 | 387.4 | 379.0 | 372.0 | 364.7 | 357.3 | 355.8 |
| Revenues growth | 8.5% | 8.3% | 8.4% | 6.5% | 7.8% | 14.9% | -5.0% | -20.5% |
| Costs and expenses: | | | | | | | | |
| Cost of sales | 96.1 | 96.1 | | 121.0 | 117.1 | 112.0 | 108.6 | 109.3 |
| Restaurant wages and related expenses | 77.2 | 76.0 | | 97.9 | 97.6 | 94.9 | 91.7 | 87.0 |
| Restaurant rent expense | 12.2 | 12.1 | | | | | | |
| Other restaurant operating expenses | 52.7 | 51.1 | | 65.3 | 63.3 | 60.8 | 57.4 | 54.5 |
| General and administrative | 36.1 | 38.1 | | 49.9 | 48.9 | 47.2 | 45.5 | 44.1 |
| Depreciation and amortization | 18.9 | 19.3 | 20.1 | 20.7 | 21.0 | 20.6 | 20.6 | 20.9 |
| |
| Pre-opening costs | | | | | | | | |
| Impairment and other lease charges (recoveries) | 3.0 | 4.4 | | 3.2 | 3.2 | 0.9 | 1.5 | -0.2 |
| |
| Goodwill impairment | | | | | | | | |
| Closed restaurant rent expense, net of sublease income | 0.5 | 0.7 | | 1.9 | 2.1 | 2.6 | 3.0 | 3.4 |
| Other expense (income), net | -0.6 | -0.7 | | -0.6 | 0.3 | 0.4 | 0.5 | -1.2 |
| Income (loss) from operations | -5.6 | -15.0 | -14.4 | -17.1 | -17.7 | -10.5 | -6.6 | 3.6 |
| Operating margin | -1.4% | -3.8% | -3.7% | -4.5% | -4.8% | -2.9% | -1.9% | 1.0% |
| Interest expense (income), net | -0.3 | -0.3 | -0.3 | -0.3 | -0.4 | -0.4 | -0.4 | -0.4 |
| Income (loss) from continuing operations before taxes | -1.3 | -10.9 | | -10.2 | -10.9 | -3.7 | | 0.2 |
| Provision for income taxes | 0.4 | 1.2 | 1.0 | 0.1 | -0.2 | -2.2 | 1.1 | 1.9 |
| Net income (loss) | -5.0 | -15.1 | -14.6 | -15.2 | 5.0 | 11.1 | 10.4 | 15.9 |
| |
| Earnings (loss) per common share: | | | | | | | | |
| |
| Basic (usd per share) | ($0.21) | ($0.61) | ($0.58) | ($0.59) | $0.19 | $0.44 | $0.41 | $0.62 |
| Diluted (usd per share) | ($0.21) | ($0.61) | ($0.58) | ($0.59) | $0.19 | $0.44 | $0.41 | $0.62 |
| |
| Weighted average common shares outstanding: | | | | | | | | |
| Basic (in shares) | 25.3 | 25.1 | 25.0 | 25.0 | 25.2 | 25.3 | 25.4 | 25.4 |
| Diluted (in shares) | 25.3 | 25.1 | 25.0 | 25.0 | 25.2 | 25.3 | 25.4 | 25.4 |