| In millions, except per share items | Dec-30-21 | Dec-31-20 | Dec-26-19 | Dec-27-18 | Dec-28-17 | Dec-29-16 | Dec-31-15 | Jan-01-15 |
| | 8-K | 8-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Document Period End Date | | | | | | | | |
| REVENUE (including revenue from related parties of $3.3, and $2.8, respectively) | 114.6 | 90.4 | 444.8 | 441.4 | 426.1 | 447.6 | 446.5 | 394.0 |
| REVENUE (including revenue from related parties of $3.3, and $2.8, respectively) growth | 26.8% | -79.7% | 0.8% | 3.6% | -4.8% | 0.2% | 13.3% | -14.9% |
| OPERATING EXPENSES: | | | | | | | | |
| Selling and marketing costs | 34.7 | 37.6 | 64.9 | 66.5 | 72.0 | 72.8 | 72.3 | 57.6 |
| Administrative and other costs | 36.0 | 30.9 | 43.8 | 48.3 | 37.9 | 43.8 | 38.6 | 29.5 |
| Asset Impairment Charges | | 1.7 | | | | | | 0.4 |
| |
| Amortization of intangibles recorded for network theater screen leases | | | | | | | | |
| Total | 81.6 | 83.3 | 283.5 | 287.1 | 272.2 | 274.6 | 298.5 | 242.3 |
| OPERATING LOSS | -68.6 | -61.0 | 161.3 | 154.3 | 153.9 | 173.0 | 148.0 | 151.7 |
| Operating margin | -59.9% | -67.5% | 36.3% | 35.0% | 36.1% | 38.7% | 33.1% | 38.5% |
| |
| NON-OPERATING EXPENSES (INCOME): | | | | | | | | |
| Interest on borrowings | | | 58.0 | 55.4 | 52.8 | 54.0 | 52.2 | -52.6 |
| |
| Interest income | | | | | | | | |
| Nonoperating Gains (Losses) | | | | | | | | |
| Loss on modification of debt | | | | | | | | |
| Other non-operating income | | -0.2 | 0.4 | 0.2 | 0.3 | | -0.2 | 0.8 |
| Total | | 0.2 | 62.2 | 50.6 | -140.9 | 64.1 | 68.9 | -76.2 |
| LOSS BEFORE INCOME TAXES | | | 99.1 | 103.7 | 294.8 | 108.9 | 79.1 | 75.5 |
| Income tax expense | | -162.2 | -12.4 | -23.5 | -180.3 | -14.4 | -19.5 | -9.9 |
| CONSOLIDATED NET LOSS | | | 86.7 | 80.2 | 114.5 | 94.5 | 59.6 | 65.6 |
| Less: Net loss attributable to noncontrolling interests | | | 50.6 | 50.4 | 56.2 | 61.6 | 48.3 | 52.2 |
| NET LOSS ATTRIBUTABLE TO NCM, INC. | -118.4 | -126.3 | 36.1 | 29.8 | 58.3 | 32.9 | 11.3 | 13.4 |
| COMPREHENSIVE LOSS ATTRIBUTABLE TO NCM, INC. | | | 36.1 | 29.8 | 58.3 | 32.9 | | 16.2 |
| |
| NET LOSS PER NCM, INC. COMMON SHARE: | | | | | | | | |
| Basic (in usd per share) | ($0.61) | ($0.84) | $0.47 | $0.39 | $0.89 | $0.55 | $0.19 | $0.23 |
| Diluted (in usd per share) | ($0.61) | ($0.84) | $0.46 | $0.37 | $0.48 | $0.54 | $0.19 | $0.23 |
| |
| WEIGHTED AVERAGE SHARES OUTSTANDING: | | | | | | | | |
| Basic (in shares) | 79.9 | 78.0 | 77.3 | 76.9 | 65.2 | 59.8 | 59.0 | 58.7 |
| Diluted (in shares) | 79.9 | 78.0 | 77.8 | 78.7 | 151.1 | 60.6 | 59.6 | 59.0 |