| In millions, except per share items | Jun-30-23 | Mar-31-23 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 10-Q | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| REVENUE | | | | | | | | |
| Property rental | 120.6 | 124.0 | 119.8 | 117.0 | 131.6 | 128.6 | 125.9 | 122.8 |
| Third-party real estate services, including reimbursements | 22.9 | 22.8 | 21.8 | 22.2 | 24.0 | 23.3 | 25.8 | 26.7 |
| Other revenue | 8.6 | 6.1 | 6.0 | 6.3 | 6.4 | 5.5 | 5.3 | 5.1 |
| Total revenue | 152.1 | 153.0 | 147.6 | 145.5 | 162.0 | 157.4 | 157.0 | 154.6 |
| Total revenue growth | 4.5% | -5.6% | -6.0% | -5.9% | -2.0% | 5.9% | 4.0% | 6.7% |
| EXPENSES | | | | | | | | |
| Depreciation and amortization | 49.2 | 53.4 | 50.1 | 49.5 | 58.1 | 58.2 | 56.7 | 56.7 |
| Property operating | 35.9 | 35.6 | 36.4 | 35.4 | 40.6 | 40.7 | 40.2 | 35.0 |
| Real estate taxes | 14.4 | 15.2 | 14.7 | 14.9 | 18.2 | 15.7 | 18.3 | 18.6 |
| |
| General and administrative: | | | | | | | | |
| Corporate and other | 15.1 | 16.1 | 12.1 | 14.8 | 15.8 | 15.3 | 12.1 | 13.9 |
| Third-party real estate services | 22.1 | 23.8 | 21.2 | 24.1 | 27.0 | 27.1 | 25.5 | 25.6 |
| Share-based compensation related to Formation Transaction and special equity awards | | 0.4 | 0.5 | 1.6 | 2.2 | 3.5 | 3.5 | 4.4 |
| Transaction and other costs | 3.5 | 2.5 | 1.7 | 2.0 | 0.9 | 1.5 | 3.0 | 2.3 |
| Total expenses | 140.2 | 147.0 | 136.8 | 142.4 | 162.9 | 162.0 | 159.3 | 156.4 |
| |
| OTHER INCOME (EXPENSE) | | | | | | | | |
| Income (loss) from unconsolidated real estate ventures, net | 0.5 | 0.4 | -13.9 | -2.1 | 3.1 | -25.6 | 20.5 | 4.0 |
| Interest and other income, net | 2.3 | 4.1 | 1.0 | 1.7 | 14.2 | 8.7 | 0.2 | 0.0 |
| Interest expense | -25.8 | -26.8 | -17.9 | -16.0 | -16.3 | -17.6 | -17.2 | -16.8 |
| Gain on the sale of real estate, net | | | | 158.8 | | | | |
| Loss on the extinguishment of debt | -0.5 | | -1.4 | -1.0 | -0.6 | | | |
| Total other income (expense) | -23.5 | 18.4 | -32.3 | 141.3 | 0.4 | -59.7 | 3.5 | -1.6 |
| INCOME (LOSS) BEFORE INCOME TAX EXPENSE | -11.6 | 24.3 | -21.4 | 144.4 | -0.5 | -64.3 | 1.2 | -3.3 |
| Income tax expense | -0.6 | 0.0 | -0.2 | -2.9 | 0.5 | 1.0 | -0.2 | 0.0 |
| NET INCOME (LOSS) | -12.3 | 24.3 | -21.6 | 141.5 | -0.1 | -63.3 | 1.0 | -3.3 |
| |
| Net (income) loss attributable to redeemable noncontrolling interests | | | | | | | | |
| Net loss attributable to noncontrolling interests | | | | | | | | |
| NET INCOME (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS | -10.5 | 21.2 | -19.3 | 123.3 | 0.0 | -56.4 | 0.9 | -3.0 |
| |
| EARNINGS (LOSS) PER COMMON SHARE: | | | | | | | | |
| EARNINGS (LOSS) PER COMMON SHARE - BASIC | ($0.10) | $0.19 | ($0.17) | $1.02 | | ($0.45) | | ($0.03) |
| EARNINGS (LOSS) PER COMMON SHARE - DILUTED | ($0.10) | $0.19 | ($0.17) | $1.02 | | ($0.45) | | ($0.03) |
| |
| WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING - BASIC | 109.7 | 114.1 | 114.4 | 121.3 | 126.7 | 130.8 | 131.4 | 131.5 |
| WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING - DILUTED | 109.7 | 114.1 | 114.4 | 121.3 | 126.7 | 130.8 | 131.4 | 131.5 |