| Net Income | 55.65 | 51.79 | 52.81 | 47.99 | 47.27 | -22.98 | |
| Depreciation & Amortization | 14.81 | 14.77 | 13.66 | 12.48 | 12.28 | 13.29 | |
| Loss (Gain) From Sale of Assets | 0.14 | 0.29 | 0.12 | 0.11 | 0.1 | 0.26 | |
| Asset Writedown & Restructuring Costs | - | - | - | - | - | 7.35 | |
| Stock-Based Compensation | 3.31 | 2.18 | 2.09 | 2.56 | 2.63 | 1.53 | |
| Provision & Write-off of Bad Debts | 0.15 | 0.19 | 0.25 | -0.82 | -0.3 | 0.54 | |
| Other Operating Activities | 1.57 | 1.57 | -3.81 | -1.46 | -7.61 | 3.39 | |
| Change in Accounts Receivable | -4.11 | -7.74 | 5.87 | -3.05 | -3.23 | 2.75 | |
| Change in Inventory | -7.72 | -6.55 | 7.1 | 0.36 | -25.13 | 6.79 | |
| Change in Accounts Payable | 4.39 | -3.48 | -11.08 | -0.34 | 9.56 | 4.03 | |
| Change in Unearned Revenue | -1.44 | -1.87 | -4.3 | 1.41 | 3.29 | -1.68 | |
| Change in Other Net Operating Assets | -2.23 | -4.05 | 1.6 | -11.97 | -10.77 | -1.86 | |
| Operating Cash Flow | 64.53 | 47.09 | 64.31 | 47.28 | 28.08 | 13.39 | |
| Operating Cash Flow Growth | 15.45% | -26.78% | 36.03% | 68.38% | 109.75% | -38.05% | |
| Capital Expenditures | -19.79 | -19.32 | -18.3 | -13.63 | -8.13 | -5.05 | |
| Investing Cash Flow | -19.79 | -19.32 | -18.3 | -13.63 | -8.13 | -5.05 | |
| Issuance of Common Stock | - | - | - | - | 1.84 | - | |
| Repurchase of Common Stock | -27.54 | -33.14 | -21.84 | -24.76 | -4.36 | - | |
| Common Dividends Paid | -0.09 | -0.07 | -0.05 | -0.29 | - | - | |
| Other Financing Activities | - | - | - | - | - | -0.11 | |
| Financing Cash Flow | -38.59 | -44.16 | -43.9 | -25.06 | -22.46 | -0.11 | |
| Foreign Exchange Rate Adjustments | -0.03 | -0.18 | 0.02 | 0.77 | 0.51 | -0.11 | |
| Net Cash Flow | 6.11 | -16.57 | 2.13 | 9.35 | -2 | 8.11 | |
| Free Cash Flow | 44.73 | 27.77 | 46.02 | 33.64 | 19.95 | 8.34 | |
| Free Cash Flow Growth | 17.01% | -39.65% | 36.78% | 68.66% | 139.17% | -9.59% | |
| Free Cash Flow Margin | 8.77% | 5.59% | 9.47% | 7.19% | 4.85% | 3.27% | |
| Free Cash Flow Per Share | 3.34 | 2.04 | 3.18 | 2.21 | 1.24 | 0.56 | |
| Cash Income Tax Paid | 17.12 | 16.69 | 17.36 | 10.33 | 10.38 | 0.04 | |
| Levered Free Cash Flow | 34.71 | 18.87 | 44.29 | 34.57 | 19.72 | 9.42 | |
| Unlevered Free Cash Flow | 34.71 | 18.87 | 44.29 | 34.58 | 19.72 | 9.42 | |
| Change in Net Working Capital | 8.19 | 20.31 | -5.9 | 5.92 | 17.63 | -8.55 | |