| Net Income | 223.35 | 271.33 | 422.55 | 476.48 | 181.99 | 121.82 | |
| Depreciation & Amortization | 44 | 46.49 | 46.73 | 48.67 | 62.09 | 134.18 | |
| Other Amortization | 1.09 | 1.08 | 1.04 | 1.95 | 1.58 | 1.04 | |
| Loss (Gain) From Sale of Assets | - | - | -0.07 | -0.02 | -2.85 | -24.05 | |
| Stock-Based Compensation | 9.24 | 8.56 | 10.83 | 17.39 | 12.22 | 3.73 | |
| Other Operating Activities | 78.25 | 50.94 | -8.39 | -82.49 | 34.58 | 35.24 | |
| Change in Accounts Receivable | -5.47 | 11.24 | 53.05 | -39.51 | -34.86 | 16.49 | |
| Change in Accounts Payable | 4.41 | 1.04 | -3.83 | 3.01 | 2.65 | -5.93 | |
| Change in Other Net Operating Assets | -5.44 | -1.65 | -0.65 | -0.5 | -0.52 | -0.72 | |
| Operating Cash Flow | 349.42 | 389.04 | 521.25 | 424.98 | 256.88 | 281.81 | |
| Operating Cash Flow Growth | -28.48% | -25.36% | 22.65% | 65.44% | -8.85% | -31.72% | |
| Capital Expenditures | -104.46 | -115.03 | -19.81 | -12.56 | -14.64 | -4.82 | |
| Sale of Property, Plant & Equipment | 3.12 | 2.8 | 0.07 | 11.35 | 0.32 | 156.06 | |
| Investing Cash Flow | -101.34 | -112.24 | -19.74 | -1.22 | -14.32 | 151.25 | |
| Long-Term Debt Issued | - | 97 | 64 | 339 | 212 | 160 | |
| Long-Term Debt Repaid | - | -72 | -74 | -418 | -244 | -433 | |
| Net Debt Issued (Repaid) | 63 | 25 | -10 | -79 | -32 | -273 | |
| Repurchase of Common Stock | -3.36 | -4.45 | -5.5 | -2.99 | -1.96 | -5.04 | |
| Preferred Dividends Paid | -29.47 | -28.13 | -21 | -21 | -21 | -21 | |
| Common Dividends Paid | -316.21 | -336.93 | -398.82 | -322.4 | -176.92 | -140.34 | |
| Dividends Paid | -345.68 | -365.06 | -419.82 | -343.4 | -197.92 | -161.34 | |
| Other Financing Activities | -0.08 | -0.06 | -0.22 | -2.94 | -3.6 | - | |
| Financing Cash Flow | -286.11 | -344.57 | -435.54 | -428.34 | -235.48 | -439.38 | |
| Net Cash Flow | -38.03 | -67.76 | 65.98 | -4.57 | 7.08 | -6.32 | |
| Free Cash Flow | 244.96 | 274.01 | 501.44 | 412.42 | 242.25 | 276.99 | |
| Free Cash Flow Growth | -45.16% | -45.36% | 21.58% | 70.25% | -12.54% | -8.10% | |
| Free Cash Flow Margin | 58.04% | 64.18% | 102.63% | 53.47% | 49.29% | 96.33% | |
| Free Cash Flow Per Share | 1.16 | 1.30 | 2.23 | 1.84 | 1.16 | 1.34 | |
| Cash Interest Paid | 2.64 | 1.96 | 1.74 | 4.33 | 4.04 | 9.45 | |
| Levered Free Cash Flow | 146.68 | 159.83 | 343.09 | 236.68 | 176.03 | 234.76 | |
| Unlevered Free Cash Flow | 149.1 | 161.77 | 344.81 | 240.61 | 179.56 | 241.27 | |
| Change in Net Working Capital | -57.8 | -49.97 | -41.33 | 116.38 | -2.82 | -39.59 | |