| In millions, except per share items | Mar-31-20 | Dec-31-19 | Sep-30-19 | Jun-30-19 | Mar-31-19 | Dec-31-18 | Sep-30-18 | Jun-30-18 |
| | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Revenues: | | | | | | | | |
| Revenues | 98.1 | 116.0 | 115.5 | 118.7 | 116.6 | 113.5 | 110.2 | 112.3 |
| Revenues growth | -15.9% | 2.2% | 4.8% | 5.7% | 8.9% | 7.7% | 11.7% | 12.3% |
| Operating Expenses: | | | | | | | | |
| Payroll and related | 41.3 | 45.1 | 45.0 | 45.5 | 45.3 | 44.3 | 42.1 | 42.4 |
| Club operating | 54.2 | 54.7 | 55.8 | 55.0 | 53.6 | 49.1 | 50.1 | 50.1 |
| General and administrative | 9.2 | 7.5 | 6.9 | 6.5 | 6.9 | 6.1 | 6.7 | 6.4 |
| Depreciation and amortization | 8.7 | 9.1 | 9.5 | 10.1 | 9.6 | 9.5 | 9.2 | 9.6 |
| Impairment of fixed assets | 46.8 | | 7.2 | | | | 2.1 | |
| Impairment of right-of-use assets | 62.9 | | | | | | | |
| Impairment of intangible assets | 17.4 | | | | | | | |
| Total operating expenses | 240.5 | 116.4 | 124.3 | 117.1 | 115.4 | 109.0 | 110.2 | 108.5 |
| Operating (loss) income | -142.4 | -0.4 | -8.8 | 1.6 | 1.2 | 4.5 | 0.0 | 3.8 |
| Operating margin | -145.2% | -0.4% | -7.6% | 1.3% | 1.1% | 4.0% | 0.0% | 3.4% |
| Interest expense | -3.0 | -3.1 | -3.2 | -3.2 | -3.5 | -3.5 | -3.5 | -3.3 |
| Interest income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Equity in the earnings of investees | 0.0 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 |
| Loss before (benefit) provision for corporate income taxes | -145.4 | -3.4 | -12.0 | -1.6 | -2.1 | 1.1 | -3.4 | 0.6 |
| (Benefit) provision for corporate income taxes | -8.6 | 0.1 | 0.1 | 0.0 | 0.1 | -1.0 | 0.6 | 0.0 |
| Net loss including non-controlling interests | -136.8 | -3.5 | -12.1 | -1.6 | -2.2 | 2.1 | -3.9 | 0.6 |
| Less: net loss attributable to non-controlling interests | -0.4 | -0.1 | -0.3 | -0.1 | -0.2 | -0.2 | 0.0 | |
| Net loss attributable to Town Sports International Holdings, Inc. and subsidiaries | -136.3 | -3.3 | -11.7 | -1.4 | -2.0 | 2.3 | -3.9 | 0.6 |
| |
| Loss per share: | | | | | | | | |
| Basic (in dollars per share) | ($4.98) | ($0.13) | ($0.44) | ($0.05) | ($0.08) | $0.09 | ($0.15) | $0.02 |
| Diluted (in dollars per share) | ($4.98) | ($0.13) | ($0.44) | ($0.05) | ($0.08) | $0.09 | ($0.15) | $0.02 |
| |
| Weighted average number of shares used in calculating loss per share: | | | | | | | | |
| Basic (in shares) | 27.4 | 26.6 | 26.6 | 26.6 | 26.4 | 25.9 | 25.8 | 25.8 |
| Diluted (in shares) | 27.4 | 26.6 | 26.6 | 26.6 | 26.4 | 26.3 | 25.8 | 26.6 |