| Net Income | 39.95 | 40.18 | 39.42 | 39.92 | 29.82 | |
| Depreciation & Amortization | 1.12 | 1.06 | 0.87 | 0.67 | 0.85 | |
| Other Amortization | - | - | - | 0.02 | 0.11 | |
| Loss (Gain) From Sale of Assets | - | - | -0.01 | - | 0 | |
| Stock-Based Compensation | 1.99 | 1.95 | 1.65 | 1.44 | 1.32 | |
| Provision & Write-off of Bad Debts | -0 | -0.01 | -0.06 | -0.21 | -0.08 | |
| Other Operating Activities | -0.16 | -0.51 | -0.29 | -1.36 | -1.24 | |
| Change in Accounts Receivable | 0.14 | -0.04 | -0.34 | 0.48 | 0.09 | |
| Change in Inventory | -0.01 | 0.38 | -0.45 | -0.22 | -0.02 | |
| Change in Accounts Payable | -0.16 | -0.4 | 0.02 | 0.33 | 0.75 | |
| Change in Unearned Revenue | 0.34 | 0.43 | -0.71 | -1.25 | -2.82 | |
| Change in Income Taxes | -1.37 | -0.61 | -0.75 | -2.93 | -0.6 | |
| Change in Other Net Operating Assets | -0.98 | 0.42 | 3.56 | 8.97 | 14.17 | |
| Operating Cash Flow | 42.16 | 43.99 | 43.79 | 48.35 | 43.22 | |
| Operating Cash Flow Growth | -4.17% | 0.47% | -9.43% | 11.86% | -14.66% | |
| Capital Expenditures | -0.19 | -0.38 | -0.14 | -0.28 | -4.16 | |
| Sale of Property, Plant & Equipment | - | - | 0.01 | - | - | |
| Sale (Purchase) of Intangibles | - | - | -3.54 | - | - | |
| Investing Cash Flow | -0.19 | -0.38 | -3.67 | -0.28 | -4.16 | |
| Long-Term Debt Issued | - | - | 33.7 | 30 | 47.76 | |
| Long-Term Debt Repaid | -9.19 | -4.25 | -7.95 | -4.25 | -50.35 | |
| Net Debt Issued (Repaid) | -9.19 | -4.25 | 25.75 | 25.75 | -2.59 | |
| Issuance of Common Stock | 5.03 | 4.01 | 4.75 | 8.32 | 8.25 | |
| Repurchase of Common Stock | - | - | -49.12 | -44.22 | -48.99 | |
| Common Dividends Paid | -12.37 | -10.76 | -8.86 | -5.86 | -2.93 | |
| Financing Cash Flow | -43.02 | -43.9 | -37.88 | -43.31 | -57.56 | |
| Net Cash Flow | -1.06 | -0.29 | 2.24 | 4.75 | -18.5 | |
| Free Cash Flow | 41.96 | 43.61 | 43.65 | 48.06 | 39.06 | |
| Free Cash Flow Growth | -3.78% | -0.09% | -9.18% | 23.04% | -5.80% | |
| Free Cash Flow Margin | 51.62% | 52.39% | 53.62% | 61.45% | 59.13% | |
| Free Cash Flow Per Share | 11.44 | 11.98 | 12.15 | 12.61 | 10.11 | |
| Cash Interest Paid | 2.85 | 3.05 | 2.72 | 1.39 | 1.74 | |
| Cash Income Tax Paid | 11.17 | 10.87 | 11.31 | 11.56 | 9.55 | |
| Levered Free Cash Flow | 33.21 | 34.38 | 32.7 | 38.31 | 27.15 | |
| Unlevered Free Cash Flow | 34.99 | 36.31 | 34.52 | 39.22 | 28.24 | |
| Change in Net Working Capital | 1 | -0.38 | -2.17 | -5.29 | -4.99 | |