| Net Income | 339.27 | 305.09 | 354.19 | 270.19 | 121.17 | |
| Depreciation & Amortization | 370.23 | 349.51 | 332.58 | 314.55 | 319.09 | |
| Other Amortization | 9.61 | 10.74 | 10.98 | 12.44 | 11.11 | |
| Gain (Loss) on Sale of Assets | -78.06 | -65.44 | -111.56 | -73.09 | -34.5 | |
| Asset Writedown | 11.14 | 17.84 | 5.72 | 1.9 | 19.55 | |
| Stock-Based Compensation | 17.94 | 20.78 | 23.41 | 17.09 | 10.95 | |
| Change in Accounts Receivable | -8.04 | -16.51 | -31.95 | 2.19 | -9.8 | |
| Change in Accounts Payable | 0.03 | 15.44 | 24.66 | 12.32 | 1.58 | |
| Change in Other Net Operating Assets | -34.03 | -41.34 | -39 | -30.83 | -23.04 | |
| Other Operating Activities | -3.4 | -7.3 | -2.64 | 25.48 | 26.98 | |
| Operating Cash Flow | 624.69 | 588.79 | 566.38 | 552.24 | 443.1 | |
| Operating Cash Flow Growth | 6.10% | 3.96% | 2.56% | 24.63% | -16.19% | |
| Acquisition of Real Estate Assets | -647.12 | -347.43 | -740.04 | -567.38 | -288.18 | |
| Sale of Real Estate Assets | 210.13 | 182.26 | 279.82 | 237.4 | 122.39 | |
| Net Sale / Acq. of Real Estate Assets | -436.99 | -165.17 | -460.23 | -329.98 | -165.79 | |
| Investment in Marketable & Equity Securities | -0.04 | 2.09 | -2.22 | -1.03 | -1.46 | |
| Investing Cash Flow | -437.02 | -163.08 | -462.45 | -331.01 | -167.25 | |
| Long-Term Debt Issued | 876.15 | 725.5 | 800 | 847.74 | 1,466 | |
| Long-Term Debt Repaid | -465.95 | -826.25 | -925 | -850 | -1,160 | |
| Net Debt Issued (Repaid) | 410.2 | -100.75 | -125 | -2.27 | 306.4 | |
| Issuance of Common Stock | 114.65 | - | 53.1 | 5.15 | - | |
| Repurchase of Common Stock | -14.06 | -11.25 | -10.49 | -5.51 | -28.55 | |
| Common Dividends Paid | -331.2 | -315.29 | -289.63 | -257.23 | -170.4 | |
| Other Financing Activities | -7.47 | -0.78 | -8.39 | -33.72 | -34.74 | |
| Net Cash Flow | 359.79 | -2.36 | -276.48 | -72.34 | 348.56 | |
| Cash Interest Paid | 189.27 | 186.96 | 187.29 | 191.05 | 366.37 | |
| Cash Income Tax Paid | 2.28 | 2.32 | 1.95 | 1.65 | 7.15 | |
| Levered Free Cash Flow | 565.91 | 547.5 | 528.52 | 519.09 | 394.58 | |
| Unlevered Free Cash Flow | 693.77 | 659.84 | 641.78 | 633.33 | 512.04 | |
| Change in Net Working Capital | -9.27 | -7.15 | -4.13 | -33.07 | 33.31 | |