| Net Income | 207.01 | 365.24 | 224.89 | 403.84 | 246.36 | |
| Depreciation & Amortization | 34.8 | 30.04 | 42.34 | 55.11 | 59.35 | |
| Gain (Loss) on Sale of Assets | 0.33 | -0.01 | 0.17 | 0.05 | 0.02 | |
| Gain (Loss) on Sale of Investments | 2.95 | 3.55 | 114.81 | -17.6 | 4.22 | |
| Stock-Based Compensation | 22.76 | 18.35 | 18.43 | 15.89 | 16.23 | |
| Change in Accounts Receivable | -154.73 | -227.39 | -140.5 | -109.17 | -13.17 | |
| Change in Unearned Revenue | 253.55 | 306.93 | 200.21 | 172.46 | 91.28 | |
| Change in Income Taxes | -2.71 | 9.08 | -25.93 | -0.54 | 7.71 | |
| Change in Insurance Reserves / Liabilities | 848.57 | 318.08 | 381.18 | 307.97 | 181.84 | |
| Change in Other Net Operating Assets | -57.19 | -7.68 | -1.7 | 48.72 | -13.45 | |
| Operating Cash Flow | 1,100 | 758.91 | 802.41 | 771.42 | 554.05 | |
| Operating Cash Flow Growth | 44.93% | -5.42% | 4.02% | 39.23% | 16.03% | |
| Capital Expenditures | -30.81 | -22.63 | -26.02 | -22.16 | -22.06 | |
| Investment in Securities | -898.24 | -635.35 | -673.58 | -564.62 | -644.69 | |
| Other Investing Activities | 26.74 | 11.03 | 18.66 | 17.5 | 24.88 | |
| Investing Cash Flow | -947.38 | -686.36 | -734.45 | -618.78 | -688.17 | |
| Short-Term Debt Issued | - | 20 | 60 | - | - | |
| Long-Term Debt Issued | - | - | - | - | 587 | |
| Total Debt Issued | - | 20 | 60 | - | 587 | |
| Total Debt Repaid | -2.63 | -22.67 | -62.44 | -51.77 | -587.55 | |
| Net Debt Issued (Repaid) | -2.63 | -2.67 | -2.44 | -51.77 | -0.55 | |
| Issuance of Common Stock | 9.63 | 9.13 | 9.09 | 7.98 | 8.41 | |
| Repurchases of Common Stock | -15.62 | -7.93 | -18.34 | -9.05 | -7.05 | |
| Issuance of Preferred Stock | - | - | - | - | 195.06 | |
| Common Dividends Paid | -84.94 | -73.83 | -66.92 | -60.14 | -54.49 | |
| Preferred Dividends Paid | -9.2 | -9.2 | -9.2 | -9.35 | - | |
| Total Dividends Paid | -94.14 | -83.03 | -76.12 | -69.49 | -54.49 | |
| Other Financing Activities | - | - | - | -0.48 | - | |
| Financing Cash Flow | -102.76 | -84.49 | -87.82 | -122.81 | 141.39 | |
| Net Cash Flow | 49.75 | -11.94 | -19.85 | 29.83 | 7.26 | |
| Free Cash Flow | 1,069 | 736.28 | 776.39 | 749.26 | 531.98 | |
| Free Cash Flow Growth | 45.20% | -5.17% | 3.62% | 40.84% | 19.14% | |
| Free Cash Flow Margin | 21.99% | 17.40% | 21.82% | 22.17% | 18.20% | |
| Free Cash Flow Per Share | 17.45 | 12.08 | 12.75 | 12.35 | 8.82 | |
| Cash Interest Paid | 28.53 | 28.36 | 26.64 | 28.93 | 30.46 | |
| Cash Income Tax Paid | 49 | 79.7 | 75 | 100 | 47 | |
| Levered Free Cash Flow | 912.33 | 867.57 | 663.19 | 662.73 | 369.22 | |
| Unlevered Free Cash Flow | 930.38 | 885.57 | 681.22 | 680.95 | 388.49 | |
| Change in Net Working Capital | -700.12 | -550.28 | -448.15 | -291.63 | -122.57 | |