| Net Income | 138 | 114 | 62 | 33 | 147 | 129 | |
| Depreciation & Amortization | 90 | 97 | 111 | 129 | 143 | 142 | |
| Other Amortization | 3 | 3 | 5 | 5 | 6 | 30 | |
| Stock-Based Compensation | 107 | 119 | 126 | 126 | 112 | 101 | |
| Other Operating Activities | -11 | -7 | 2 | -26 | 14 | -118 | |
| Change in Accounts Receivable | 4 | 52 | 78 | -28 | -5 | 67 | |
| Change in Inventory | 3 | -5 | -5 | 18 | 3 | 2 | |
| Change in Accounts Payable | -1 | -1 | 7 | 35 | 17 | - | |
| Change in Unearned Revenue | -25 | -70 | -5 | 18 | 42 | 4 | |
| Change in Other Net Operating Assets | -24 | 1 | -6 | 109 | -16 | -90 | |
| Operating Cash Flow | 284 | 303 | 375 | 419 | 463 | 267 | |
| Operating Cash Flow Growth | -3.07% | -19.20% | -10.50% | -9.50% | 73.41% | 80.41% | |
| Capital Expenditures | -19 | -24 | -19 | -14 | -28 | -44 | |
| Cash Acquisitions | -6 | -6 | -29 | -2 | - | - | |
| Sale (Purchase) of Intangibles | -2 | -2 | -1 | -2 | -3 | -7 | |
| Investing Cash Flow | -25 | -32 | -49 | -18 | -31 | -51 | |
| Long-Term Debt Issued | - | - | - | 500 | - | - | |
| Total Debt Issued | - | - | - | 500 | - | - | |
| Long-Term Debt Repaid | - | -90 | -82 | -499 | -136 | -95 | |
| Total Debt Repaid | -92 | -90 | -82 | -499 | -136 | -95 | |
| Net Debt Issued (Repaid) | -92 | -90 | -82 | 1 | -136 | -95 | |
| Repurchase of Common Stock | -135 | -215 | -308 | -387 | -244 | -100 | |
| Other Financing Activities | 3 | -1 | 7 | 5 | 24 | 9 | |
| Financing Cash Flow | -224 | -306 | -383 | -381 | -356 | -186 | |
| Foreign Exchange Rate Adjustments | -4 | -30 | -28 | -44 | -14 | 7 | |
| Net Cash Flow | 31 | -65 | -85 | -24 | 62 | 37 | |
| Free Cash Flow | 265 | 279 | 356 | 405 | 435 | 223 | |
| Free Cash Flow Growth | -2.57% | -21.63% | -12.10% | -6.90% | 95.07% | 137.23% | |
| Free Cash Flow Margin | 15.56% | 15.94% | 19.42% | 22.56% | 22.69% | 12.15% | |
| Free Cash Flow Per Share | 2.72 | 2.84 | 3.48 | 3.83 | 3.85 | 2.00 | |
| Cash Interest Paid | 29 | 29 | 30 | 23 | 26 | 27 | |
| Cash Income Tax Paid | 75 | 75 | 65 | -18 | 44 | 39 | |
| Levered Free Cash Flow | 274.63 | 296 | 364.75 | 433.13 | 397.13 | 255.25 | |
| Unlevered Free Cash Flow | 292.13 | 314.13 | 383.5 | 448.13 | 413.38 | 272.13 | |
| Change in Net Working Capital | 25 | 7 | -49 | -131 | -39 | -37 | |