| Net Income | 4.63 | 5.17 | 5.29 | 5.95 | 5.38 | |
| Depreciation & Amortization | 0.19 | 0.2 | 0.19 | 0.19 | 0.2 | |
| Loss (Gain) From Sale of Assets | - | - | - | -0 | - | |
| Loss (Gain) From Sale of Investments | -0.01 | -0.01 | 0.05 | -0 | -0.08 | |
| Stock-Based Compensation | 0.25 | 0.28 | 0.26 | 0.17 | 0.21 | |
| Other Operating Activities | 0 | 0.05 | 0.05 | -0.01 | -0.01 | |
| Change in Accounts Receivable | -0 | -0.55 | -0.67 | 0.24 | 1.07 | |
| Change in Accounts Payable | -0.17 | 0.02 | 0.14 | -0.36 | -0.9 | |
| Change in Unearned Revenue | -0.66 | -0.48 | -0.22 | 0.11 | 0.2 | |
| Change in Other Net Operating Assets | -0.11 | -0.58 | -0.53 | 0.61 | 0.41 | |
| Operating Cash Flow | 4.11 | 4.1 | 4.56 | 6.9 | 6.5 | |
| Operating Cash Flow Growth | 0.34% | -10.05% | -33.92% | 6.14% | -2.72% | |
| Capital Expenditures | -0.01 | -0.06 | -0.13 | -0.08 | -0.07 | |
| Sale of Property, Plant & Equipment | - | - | - | 0 | - | |
| Investment in Securities | 2.36 | -1.42 | 2.02 | -5.52 | 0.16 | |
| Other Investing Activities | -0.06 | -0.05 | -0.06 | -0.09 | -0.13 | |
| Investing Cash Flow | 2.29 | -1.54 | 1.83 | -5.69 | -0.03 | |
| Common Dividends Paid | -4.87 | -4.84 | -5.23 | -5.2 | -4.78 | |
| Financing Cash Flow | -4.87 | -4.84 | -5.23 | -5.2 | -4.78 | |
| Foreign Exchange Rate Adjustments | -0.04 | -0.03 | -0.08 | -0.09 | 0.09 | |
| Net Cash Flow | 1.49 | -2.31 | 1.08 | -4.08 | 1.78 | |
| Free Cash Flow | 4.1 | 4.04 | 4.43 | 6.82 | 6.43 | |
| Free Cash Flow Growth | 1.69% | -8.85% | -35.03% | 5.99% | -2.99% | |
| Free Cash Flow Margin | 19.14% | 18.68% | 20.55% | 25.89% | 27.51% | |
| Free Cash Flow Per Share | 0.20 | 0.20 | 0.22 | 0.34 | 0.32 | |
| Cash Income Tax Paid | 0.39 | 0.42 | 0.41 | 0.9 | 0.45 | |
| Levered Free Cash Flow | 1.94 | 2.44 | 2.63 | 5.11 | 4.49 | |
| Unlevered Free Cash Flow | 1.94 | 2.44 | 2.67 | 5.11 | 4.49 | |
| Change in Net Working Capital | 1.22 | 0.94 | 1.11 | -0.56 | -0.73 | |