| Net Income | 14.54 | 15.06 | 17.12 | 22.69 | 14.51 | 11.69 | |
| Depreciation & Amortization | 0.33 | 0.32 | 0.31 | 0.2 | 0.42 | 0.54 | |
| Loss (Gain) From Sale of Investments | -0.35 | -0.31 | -0.11 | 0.06 | - | - | |
| Stock-Based Compensation | 0.14 | 0.15 | 0.14 | 0.06 | 0.08 | 0.05 | |
| Provision & Write-off of Bad Debts | - | - | 0.01 | - | - | - | |
| Other Operating Activities | -0.52 | -0.67 | -1.03 | 0.16 | 0.02 | -0.13 | |
| Change in Accounts Receivable | -0.15 | -0.44 | 3.37 | -1.82 | -2.74 | 0.73 | |
| Change in Inventory | -0.29 | -0.29 | -0.74 | -1.33 | -1.19 | -0.02 | |
| Change in Accounts Payable | 0 | 0.09 | -0.15 | -0.73 | 1.29 | 0.11 | |
| Change in Other Net Operating Assets | -0.06 | 0.4 | -0.67 | -0.21 | 0.1 | 0.39 | |
| Operating Cash Flow | 13.65 | 14.31 | 18.25 | 19.09 | 12.5 | 13.36 | |
| Operating Cash Flow Growth | -28.44% | -21.58% | -4.42% | 52.69% | -6.44% | -15.92% | |
| Capital Expenditures | -1.4 | -1.26 | -0.02 | -0.94 | -0.48 | -0.06 | |
| Investment in Securities | 4.2 | 3.93 | 9.6 | -7.69 | 7.5 | 8.49 | |
| Other Investing Activities | - | - | - | 0.1 | - | - | |
| Investing Cash Flow | 2.8 | 2.67 | 9.58 | -8.53 | 7.02 | 8.42 | |
| Issuance of Common Stock | 0.11 | 0.11 | 0.12 | - | - | - | |
| Repurchase of Common Stock | - | - | - | -0.02 | -0.16 | -0.09 | |
| Common Dividends Paid | -19.34 | -19.34 | -19.33 | -19.32 | -19.33 | -19.34 | |
| Financing Cash Flow | -19.23 | -19.23 | -19.21 | -19.34 | -19.5 | -19.43 | |
| Net Cash Flow | -2.78 | -2.25 | 8.61 | -8.78 | 0.02 | 2.36 | |
| Free Cash Flow | 12.25 | 13.05 | 18.23 | 18.16 | 12.02 | 13.3 | |
| Free Cash Flow Growth | -32.49% | -28.40% | 0.41% | 51.06% | -9.64% | -16.04% | |
| Free Cash Flow Margin | 48.62% | 50.45% | 61.17% | 47.46% | 44.54% | 62.26% | |
| Free Cash Flow Per Share | 2.53 | 2.70 | 3.77 | 3.76 | 2.49 | 2.75 | |
| Cash Income Tax Paid | 3.31 | 3.31 | 4.54 | 4.5 | 2.52 | 2.44 | |
| Levered Free Cash Flow | 8.19 | 8.97 | 13.82 | 11.32 | 7.69 | 9.68 | |
| Unlevered Free Cash Flow | 8.19 | 8.97 | 13.82 | 11.32 | 7.69 | 9.68 | |
| Change in Working Capital | -0.5 | -0.25 | 1.8 | -4.08 | -2.54 | 1.21 | |