| Net Income | 198.3 | 184.56 | 142.97 | 114.76 | 89.48 | |
| Depreciation & Amortization | 42.37 | 41 | 50.14 | 44.88 | 72.71 | |
| Other Amortization | 12.85 | 9.28 | 5.96 | 6.05 | 7.51 | |
| Loss (Gain) From Sale of Investments | -1.51 | 17.04 | -1.21 | 5.14 | -7.17 | |
| Stock-Based Compensation | 72.66 | 58.44 | 49.37 | 38.62 | 28.24 | |
| Provision & Write-off of Bad Debts | - | - | - | -0.46 | 0.3 | |
| Other Operating Activities | -3.94 | -7.62 | -4.97 | 15.72 | 2.84 | |
| Change in Accounts Receivable | 4.65 | -49.24 | -68.12 | -37.68 | 24.7 | |
| Change in Accounts Payable | 20.51 | 7.33 | 16.86 | -0.61 | 0.24 | |
| Change in Unearned Revenue | 7 | -0.88 | 2.47 | -12.73 | 18.22 | |
| Change in Income Taxes | -26.2 | -18.28 | 8.78 | -12.06 | 0.7 | |
| Change in Other Net Operating Assets | -58.15 | -30.43 | -36.11 | 22.78 | -34.78 | |
| Operating Cash Flow | 268.53 | 211.2 | 166.14 | 184.39 | 202.97 | |
| Operating Cash Flow Growth | 27.14% | 27.12% | -9.89% | -9.16% | 20.52% | |
| Capital Expenditures | -46.26 | -52.8 | -44.84 | -37.25 | -42.22 | |
| Sale of Property, Plant & Equipment | 0.22 | 0.74 | 0.27 | 1.3 | 0.92 | |
| Cash Acquisitions | -24.3 | - | -3.87 | -76.83 | - | |
| Investment in Securities | -48.75 | 40.07 | -48.1 | -1.49 | 22.99 | |
| Investing Cash Flow | -119.1 | -12 | -96.55 | -114.27 | -18.32 | |
| Long-Term Debt Issued | 290 | 80 | 35 | 300 | 110 | |
| Long-Term Debt Repaid | -201.58 | -130.17 | -45.14 | -329.23 | -121.12 | |
| Net Debt Issued (Repaid) | 88.42 | -50.17 | -10.14 | -29.23 | -11.12 | |
| Issuance of Common Stock | 5.02 | 5.57 | 1.06 | 0.71 | 1.5 | |
| Repurchase of Common Stock | -207.93 | -131.85 | -72.64 | -118.36 | -79.95 | |
| Other Financing Activities | -4.62 | -5 | - | - | - | |
| Financing Cash Flow | -119.1 | -181.45 | -81.72 | -146.88 | -89.56 | |
| Foreign Exchange Rate Adjustments | -4.33 | 2.03 | -6.06 | -4.95 | 3.38 | |
| Net Cash Flow | 26 | 19.78 | -18.19 | -81.71 | 98.48 | |
| Free Cash Flow | 222.26 | 158.4 | 121.31 | 147.14 | 160.75 | |
| Free Cash Flow Growth | 40.32% | 30.58% | -17.56% | -8.47% | 25.71% | |
| Free Cash Flow Margin | 12.09% | 9.71% | 8.59% | 13.11% | 16.77% | |
| Free Cash Flow Per Share | 1.35 | 0.94 | 0.72 | 0.86 | 0.93 | |
| Cash Interest Paid | 19.6 | 13.9 | 8.19 | 6.59 | 7.63 | |
| Cash Income Tax Paid | 106.41 | 104.88 | 57.06 | 50 | 20.57 | |
| Levered Free Cash Flow | 188.62 | 138.52 | 139.02 | 127.65 | 153.82 | |
| Unlevered Free Cash Flow | 200.66 | 146.76 | 144.18 | 130.58 | 158.2 | |
| Change in Net Working Capital | 45.9 | 58.11 | 35.96 | 16.83 | -26.27 | |