| Net Income | 108.72 | 70.18 | 52.95 | 42.66 | 23.31 | |
| Depreciation & Amortization | 19.49 | 13.24 | 10.9 | 7.94 | 7.52 | |
| Other Amortization | 2.15 | 2.04 | 1.94 | 1.4 | 1.57 | |
| Loss (Gain) From Sale of Assets | -1.04 | 0.1 | 1.16 | -3.5 | -3.09 | |
| Stock-Based Compensation | 22.06 | 15.56 | 4.2 | 9.63 | 8.56 | |
| Other Operating Activities | -1.81 | -1.55 | -2.44 | 2.95 | 13.66 | |
| Change in Accounts Receivable | -7.25 | -2.95 | -2.47 | -2.14 | 0.25 | |
| Change in Accounts Payable | 2.93 | 10.63 | 5.1 | -0.27 | 1.51 | |
| Change in Unearned Revenue | 9.25 | 3.59 | -0.71 | 3.39 | 3.2 | |
| Change in Other Net Operating Assets | 3.12 | 10.76 | 5.61 | -13.19 | 9.06 | |
| Operating Cash Flow | 157.61 | 121.6 | 76.24 | 48.88 | 65.53 | |
| Operating Cash Flow Growth | 29.61% | 59.50% | 55.98% | -25.41% | 69.84% | |
| Capital Expenditures | -51.93 | -40.83 | -23.94 | -28.02 | -6.05 | |
| Sale of Property, Plant & Equipment | 4 | 0.32 | 4.06 | 7.21 | 4.8 | |
| Cash Acquisitions | -14.05 | -10.83 | -7.81 | -4.88 | -6.74 | |
| Investment in Securities | -0.5 | -0.81 | -1 | -4.16 | - | |
| Investing Cash Flow | -62.48 | -52.15 | -28.68 | -29.85 | -7.99 | |
| Long-Term Debt Issued | 500 | - | 250 | - | 496 | |
| Long-Term Debt Repaid | - | -3.65 | -3.03 | -2.4 | -333.6 | |
| Net Debt Issued (Repaid) | 500 | -3.65 | 246.98 | -2.4 | 162.4 | |
| Issuance of Common Stock | 1.56 | 0.95 | 3.32 | 0.75 | 0.93 | |
| Repurchase of Common Stock | -319.09 | -127.88 | -0.32 | -1.92 | -0.34 | |
| Common Dividends Paid | -28.87 | -24.91 | -21.78 | -19.82 | -15.39 | |
| Other Financing Activities | -8.83 | - | -5.44 | - | -18.64 | |
| Financing Cash Flow | 144.77 | -155.49 | 103.25 | -23.39 | -19.45 | |
| Net Cash Flow | 239.9 | -86.04 | 150.81 | -4.36 | 38.1 | |
| Free Cash Flow | 105.68 | 80.77 | 52.3 | 20.86 | 59.48 | |
| Free Cash Flow Growth | 30.84% | 54.44% | 150.75% | -64.93% | 269.50% | |
| Free Cash Flow Margin | 16.89% | 17.56% | 14.63% | 7.38% | 23.91% | |
| Free Cash Flow Per Share | 3.60 | 2.71 | 1.75 | 0.70 | 2.00 | |
| Cash Interest Paid | 22.7 | 22.74 | 20.48 | 15.04 | 14.55 | |
| Cash Income Tax Paid | 38.84 | 27.92 | 13.58 | 10.42 | 7.26 | |
| Levered Free Cash Flow | 74.58 | 56.11 | 33 | 28.45 | 37.18 | |
| Unlevered Free Cash Flow | 85.73 | 65.46 | 44.33 | 36.41 | 46.1 | |
| Change in Net Working Capital | 7.82 | -3.84 | 5.02 | -2.95 | -2.14 | |