| Net Income | 155.98 | 163.29 | 403.31 | 653.61 | 303.91 | 123.91 | |
| Depreciation & Amortization | 592.68 | 582.01 | 574.81 | 568.42 | 419.59 | 367.06 | |
| Gain (Loss) on Sale of Assets | -47.29 | -43.81 | -225.42 | -36.37 | -174.38 | -0.38 | |
| Gain (Loss) on Sale of Investments | - | - | - | -474.15 | - | - | |
| Asset Writedown | 40.99 | 40.99 | - | - | - | - | |
| Stock-Based Compensation | 16.4 | 15.17 | 14.51 | 12.82 | 15.4 | 13.94 | |
| Income (Loss) on Equity Investments | - | - | - | -0.03 | -0.13 | 0.34 | |
| Change in Accounts Payable | -7.79 | -3.34 | 13.64 | -2.99 | 14.79 | -0.06 | |
| Change in Other Net Operating Assets | 34.18 | 12.09 | 4.34 | 6.9 | -11.27 | 9.57 | |
| Other Operating Activities | 7.65 | 8.47 | 9.76 | 16.5 | 9.57 | 4.94 | |
| Operating Cash Flow | 792.8 | 774.88 | 794.95 | 744.71 | 577.47 | 519.32 | |
| Operating Cash Flow Growth | 0.45% | -2.53% | 6.75% | 28.96% | 11.20% | -6.53% | |
| Acquisition of Real Estate Assets | -716.49 | -397.54 | -416.53 | -1,520 | -1,063 | -434.75 | |
| Sale of Real Estate Assets | 58.78 | 114.47 | 290.66 | 70.54 | 254.72 | 0.75 | |
| Net Sale / Acq. of Real Estate Assets | -657.71 | -283.06 | -125.87 | -1,449 | -807.99 | -433.99 | |
| Other Investing Activities | -0.5 | -2.17 | -1.26 | -6.83 | 3.6 | 4.39 | |
| Investing Cash Flow | -658.21 | -285.23 | -127.13 | -1,456 | -804.39 | -429.6 | |
| Long-Term Debt Issued | - | 981.95 | 1,833 | 1,058 | - | 1,141 | |
| Long-Term Debt Repaid | - | -1,208 | -1,815 | -1,066 | - | -502 | |
| Net Debt Issued (Repaid) | 264.82 | -226.05 | 18.49 | -8 | - | 638.82 | |
| Issuance of Common Stock | - | - | - | 516.76 | 759.21 | - | |
| Repurchase of Common Stock | - | -50 | - | - | - | - | |
| Common Dividends Paid | -456.51 | -450.97 | -434.88 | -396.82 | -343.04 | -333.36 | |
| Other Financing Activities | -0.26 | 1.53 | -0.83 | -2.01 | 5.2 | 1.85 | |
| Net Cash Flow | -57.36 | -235.84 | 250.61 | -601.54 | 194.45 | 397.03 | |
| Cash Interest Paid | 138.18 | 129.64 | 128.87 | 111.07 | 97.3 | 90.3 | |
| Cash Income Tax Paid | 2.44 | 2.82 | 3.59 | 3.22 | 2.18 | 2.29 | |
| Levered Free Cash Flow | 701.68 | 677.36 | 723.62 | 742.21 | 541.48 | 485.24 | |
| Unlevered Free Cash Flow | 785.57 | 758.49 | 806.99 | 813.1 | 602.29 | 542.44 | |
| Change in Working Capital | 26.39 | 8.75 | 17.98 | 3.91 | 3.52 | 9.51 | |