| 473.9 | 440.1 | 433.4 | 526.2 | 539.9 | 379.8 | | | | | | |
| | | | | | | | | | | | |
Depreciation & Amortization | 124.4 | 120.3 | 113.8 | 110.6 | 103.4 | 101.9 | | | | | | |
Amortization of Deferred Contract Costs | | | | | | | | | | | | |
Depreciation and Amortization | | | | | | | | | | | | |
| 71.8 | 69.1 | 66.1 | 65.8 | 65.9 | 63.9 | | | | | | |
| | | | | | | | | | | | |
| -16.2 | -18.4 | -45.8 | -17.9 | -162.2 | 3 | | | | | | |
Amortization of Investment Discounts | | | | | | | | | | | | |
Loss from Equity Method Investments | | | | | | | | | | | | |
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Changes in Trade Receivables | 46 | -41.2 | 303.9 | -421.9 | 57.6 | -86.7 | | | | | | |
| | | | | | | | | | | | |
| -29.5 | -45.5 | -34.1 | 26.3 | 19.7 | 48.7 | | | | | | |
| | | | | | | | | | | | |
Changes in Accounts Payable | -35.3 | 22.2 | 24.6 | 21.8 | 35.2 | -5.6 | | | | | | |
| | | | | | | | | | | | |
Changes in Accrued Expenses | -12.4 | -42.3 | 55.5 | -26.5 | -31 | -126.8 | | | | | | |
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Accrued Payroll and Compensation | | | | | | | | | | | | |
Changes in Income Taxes Payable | — | — | — | — | — | — | | | | | | |
Change in Income Taxes Payable | | | | | | | | | | | | |
Changes in Unearned Revenue | 83.3 | 147.8 | 57 | 343.4 | 72.7 | 106.9 | | | | | | |
| | | | | | | | | | | | |
Changes in Other Operating Activities | -50.8 | -200.2 | -111.1 | -150.2 | -131.6 | -143.1 | | | | | | |
Prepaid Expenses and Other Current Assets | | | | | | | | | | | | |
| | | | | | | | | | | | |
| | | | | | | | | | | | |
| | | | | | | | | | | | |
| | | | | | | | | | | | |
Cash from Operating Activities | 655.2 | 451.9 | 863.3 | 477.6 | 608.1 | 342 | | | | | | |
Net Cash Provided by Operating Activities | | | | | | | | | | | | |