| Net Income | 122.05 | 106.17 | 113.23 | 215.53 | 279.88 | 176.19 | |
| Depreciation & Amortization | 32.61 | 32.69 | 21.88 | 19.62 | 20.28 | 26.5 | |
| Loss (Gain) From Sale of Assets | 0.09 | 0.09 | 0.23 | 0.02 | 0.03 | 1.82 | |
| Asset Writedown & Restructuring Costs | - | - | - | - | - | 23 | |
| Loss (Gain) From Sale of Investments | -0.62 | 0.31 | 3.7 | 5.15 | 4.65 | -2.85 | |
| Stock-Based Compensation | 48.41 | 52.44 | 54.77 | 54.51 | 43.77 | 42.66 | |
| Other Operating Activities | -18.29 | -17.78 | -13.18 | 22.12 | -0.55 | 6.44 | |
| Change in Accounts Receivable | -22.8 | -32.82 | 23.09 | 5.26 | -2.87 | -22.13 | |
| Change in Inventory | 10.55 | -1.25 | -22.59 | -48.93 | -54.92 | -10.32 | |
| Change in Accounts Payable | 19.14 | 18.35 | -13.74 | -17.28 | 27.83 | -1.69 | |
| Change in Unearned Revenue | 11.81 | -6.22 | -9.12 | 4.89 | 14.42 | 6.57 | |
| Change in Income Taxes | -15.58 | -9.28 | -16.75 | -0.44 | -6.4 | -22.97 | |
| Change in Other Net Operating Assets | 3.43 | 6.37 | -28.61 | -17.02 | -12.07 | 19.18 | |
| Operating Cash Flow | 190.8 | 149.08 | 112.92 | 243.41 | 314.07 | 242.4 | |
| Operating Cash Flow Growth | 96.86% | 32.03% | -53.61% | -22.50% | 29.57% | -4.31% | |
| Capital Expenditures | -11.17 | -15.04 | -23.08 | -19.67 | -15.46 | -13.3 | |
| Cash Acquisitions | - | -1.44 | -257.06 | -5.05 | - | 1 | |
| Investment in Securities | 15.1 | -22.48 | 312.41 | 20.26 | -237.08 | 181.74 | |
| Investing Cash Flow | 3.94 | -38.97 | 32.27 | -4.45 | -252.54 | 169.44 | |
| Issuance of Common Stock | 0.99 | 0.99 | 3.27 | 9.86 | 63.29 | 125.72 | |
| Repurchase of Common Stock | -149.44 | -67.09 | -79.79 | -204.31 | -161.65 | -51.04 | |
| Common Dividends Paid | -53.55 | -52.33 | -49.08 | -45.92 | -43.26 | -39.08 | |
| Other Financing Activities | -0.54 | - | - | - | - | -1.04 | |
| Financing Cash Flow | -202.54 | -118.42 | -125.61 | -240.37 | -141.62 | -316.87 | |
| Foreign Exchange Rate Adjustments | 10.49 | -8.25 | 1.7 | -3.37 | -2.82 | 2.67 | |
| Net Cash Flow | 2.69 | -16.56 | 21.28 | -4.79 | -82.91 | 97.64 | |
| Free Cash Flow | 179.64 | 134.04 | 89.84 | 223.74 | 298.61 | 229.1 | |
| Free Cash Flow Growth | 137.99% | 49.20% | -59.85% | -25.07% | 30.34% | -1.07% | |
| Free Cash Flow Margin | 19.32% | 14.66% | 10.73% | 22.24% | 28.79% | 28.25% | |
| Free Cash Flow Per Share | 1.05 | 0.78 | 0.52 | 1.28 | 1.66 | 1.30 | |
| Cash Income Tax Paid | 59.85 | 59.85 | 56.62 | 57.02 | 49.44 | 33.7 | |
| Levered Free Cash Flow | 166.53 | 139.9 | 63.88 | 219.44 | 215.35 | 159.94 | |
| Unlevered Free Cash Flow | 166.53 | 139.9 | 63.88 | 219.44 | 215.35 | 159.94 | |
| Change in Working Capital | 6.55 | -24.85 | -67.72 | -73.53 | -34.01 | -31.36 | |