| In millions, except per share items | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 | Sep-30-20 | Jun-30-20 |
| | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Cash flows from operating activities | | | | | | | | |
| Net income | 116.5 | 87.0 | 83.1 | 73.7 | 115.4 | 91.3 | 97.4 | 97.0 |
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| Adjustments to reconcile net income to net cash from operating activities: | | | | | | | | |
| Depreciation | 62.8 | 62.2 | 57.6 | 57.8 | 57.9 | 58.2 | 58.2 | 58.4 |
| Property transactions, net | 1.5 | | | | 0.8 | | | |
| Non-cash ground lease, net | 0.3 | | | | 0.3 | | | |
| Deemed contributions - tax sharing agreement | 2.3 | | | | 2.8 | | | |
| Straight-line rental revenues, excluding amortization of lease incentive asset | 18.1 | 17.9 | 17.4 | 17.4 | 13.6 | 13.6 | 13.6 | 13.6 |
| Amortization of lease incentive asset | 5.0 | | | | 5.0 | | | |
| Share-based compensation | 0.6 | 2.5 | 0.7 | 0.8 | 0.9 | 0.9 | 0.6 | 0.6 |
| Change in operating assets and liabilities: | | | | | | | | |
| Prepaid expenses and other assets | 17.4 | -0.4 | -0.1 | -0.9 | 0.2 | 5.1 | -2.3 | -0.6 |
| Due to/from MGM Resorts International and affiliates | -0.7 | 0.4 | -0.4 | -0.1 | 0.0 | 0.0 | 0.0 | -1.0 |
| Accounts payable, accrued expenses and other liabilities | -6.8 | 0.3 | 1.5 | -11.1 | -1.6 | -3.9 | 1.6 | -2.0 |
| Accrued interest | -4.1 | 3.7 | -10.6 | 3.1 | 11.0 | -2.2 | 4.5 | 8.8 |
| Net cash provided by operating activities | 190.4 | 181.9 | 159.1 | 169.9 | 168.1 | 168.5 | 177.2 | 182.1 |
| |
| Cash flows from investing activities | | | | | | | | |
| Net Cash Provided by (Used in) Investing Activities | | -400.0 | | | | | | 0.5 |
| |
| Cash flows from financing activities | | | | | | | | |
| Net repayments under bank credit facility | -50.0 | 10.0 | | -10.0 | -9.5 | 1,603.8 | -100.0 | -1,503.8 |
| Proceeds from issuance of Class A shares, net | | | 0.3 | 116.5 | 676.0 | | | |
| Dividends and distributions paid | -140.8 | -139.4 | -138.0 | -131.0 | -136.5 | -147.9 | -147.9 | -158.5 |
| Net cash used in financing activities | -190.8 | -93.4 | -137.7 | -15.0 | -651.2 | -197.3 | -247.9 | -1,219.3 |
| |
| Cash and cash equivalents | | | | | | | | |
| Balance, beginning of period | 8.1 | | | | | | | 1,762.6 |
| Balance, end of period | 7.6 | | 21.4 | 154.9 | 143.2 | | | -1,762.6 |
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| Supplemental cash flow disclosures | | | | | | | | |
| Interest paid | 59.6 | 52.6 | 66.5 | 56.0 | 50.0 | 59.6 | 49.4 | 42.8 |
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| Non-cash investing and financing activities | | | | | | | | |