| Net Income | 502 | 340.8 | 281.4 | 195.96 | 143.45 | |
| Depreciation & Amortization | 62.8 | 52 | 45.4 | 30.72 | 26.27 | |
| Other Amortization | 84.2 | 63.1 | 48.1 | 36.54 | 27.14 | |
| Loss (Gain) From Sale of Assets | - | - | -0.2 | 0.15 | - | |
| Loss (Gain) From Sale of Investments | -0.1 | -0.5 | -1 | -0.45 | -1.56 | |
| Stock-Based Compensation | -22.9 | 129.8 | 94.9 | 97.51 | 90.11 | |
| Other Operating Activities | 6.9 | 5.6 | -3.1 | 32.55 | 22.76 | |
| Change in Accounts Receivable | -22.8 | 6.4 | -13.4 | -0.36 | 0.17 | |
| Change in Inventory | - | 0.2 | -0.2 | 0.48 | -0.04 | |
| Change in Accounts Payable | 9.1 | -5.2 | 11.7 | -0.66 | 1.53 | |
| Change in Unearned Revenue | 14.1 | 13.1 | 16 | 14.6 | 10.58 | |
| Change in Income Taxes | 6.5 | -12.8 | 10.8 | -5.97 | -6.43 | |
| Change in Other Net Operating Assets | -105.9 | -107.5 | -125.3 | -81.71 | -86.77 | |
| Operating Cash Flow | 533.9 | 485 | 365.1 | 319.36 | 227.21 | |
| Operating Cash Flow Growth | 10.08% | 32.84% | 14.32% | 40.56% | 1.31% | |
| Capital Expenditures | -192.9 | -192.6 | -132.7 | -120.69 | -94.1 | |
| Sale of Property, Plant & Equipment | - | 0.1 | - | - | - | |
| Sale (Purchase) of Intangibles | -4.4 | -4.2 | -4.1 | -5.5 | - | |
| Other Investing Activities | 175.1 | - | 113.5 | -131.48 | -23.78 | |
| Investing Cash Flow | -22.2 | -196.7 | -23.3 | -257.67 | -117.88 | |
| Long-Term Debt Issued | - | - | 29 | - | - | |
| Long-Term Debt Repaid | - | -29 | -29.3 | -1.78 | -1.78 | |
| Net Debt Issued (Repaid) | - | -29 | -0.3 | -1.78 | -1.78 | |
| Repurchase of Common Stock | -144.5 | -300.5 | -99.9 | -65.58 | -114.85 | |
| Common Dividends Paid | -84.8 | -64.8 | - | - | - | |
| Other Financing Activities | 1,338 | 119.7 | 354.8 | 233.08 | -49.28 | |
| Financing Cash Flow | 1,108 | -274.6 | 254.6 | 165.72 | -165.91 | |
| Net Cash Flow | 1,620 | 13.7 | 596.4 | 227.42 | -56.58 | |
| Free Cash Flow | 341 | 292.4 | 232.4 | 198.67 | 133.11 | |
| Free Cash Flow Growth | 16.62% | 25.82% | 16.98% | 49.26% | 1.35% | |
| Free Cash Flow Margin | 18.11% | 17.26% | 16.90% | 18.82% | 15.82% | |
| Free Cash Flow Per Share | 6.06 | 5.04 | 3.99 | 3.41 | 2.28 | |
| Cash Interest Paid | 2 | 1 | 0.5 | 0 | - | |
| Cash Income Tax Paid | 136.9 | 139.9 | 100.6 | 33.07 | 27.53 | |
| Levered Free Cash Flow | 238.78 | 329.87 | 284.41 | 211.02 | 156.44 | |
| Unlevered Free Cash Flow | 239.8 | 329.85 | 285.17 | 210.98 | 156.41 | |
| Change in Net Working Capital | 12.4 | 2.61 | 5.11 | -11.27 | 11.6 | |