| 873.5 | 1,066.1 | 679.1 | 633.8 | 514 | 544.9 | | | | | | | | |
| | | | | | | | | | | | | | |
Depreciation & Amortization | 234.1 | 214 | 202.5 | 196.9 | 182.8 | 169.9 | | | | | | | | |
Amortization of Deferred Contract Costs | | | | | | | | | | | | | | |
Depreciation and Amortization | | | | | | | | | | | | | | |
| 135.2 | 131.7 | 126.2 | 127.7 | 121.3 | 109.4 | | | | | | | | |
| | | | | | | | | | | | | | |
| -64.2 | -141.6 | 0.7 | 2.6 | 30.3 | 53.9 | | | | | | | | |
Amortization of Investment Discounts | | | | | | | | | | | | | | |
Loss from Equity Method Investments | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Trade Receivables | 262.7 | -364.3 | 318.9 | -325.4 | 179 | -337.4 | | | | | | | | |
| | | | | | | | | | | | | | |
| -79.6 | 46 | 85.2 | -123.3 | -130.2 | -77.9 | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Accounts Payable | 46.8 | 57 | -67.2 | -39.5 | -3.6 | 52.5 | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Accrued Expenses | 13.2 | -57.5 | -49.2 | -13.5 | 174.3 | 55 | | | | | | | | |
| | | | | | | | | | | | | | |
Accrued Payroll and Compensation | | | | | | | | | | | | | | |
Changes in Income Taxes Payable | — | — | — | — | — | 1.9 | | | | | | | | |
Change in Income Taxes Payable | | | | | | | | | | | | | | |
Changes in Unearned Revenue | 204.8 | 416.1 | 161.7 | 606 | 489.3 | 696.9 | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Other Operating Activities | -311.3 | -281.8 | -285.5 | -322.4 | -364.6 | -258 | | | | | | | | |
Prepaid Expenses and Other Current Assets | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
Cash from Operating Activities | 1,315.2 | 1,085.7 | 1,172.4 | 742.9 | 1,192.6 | 1,011.1 | | | | | | | | |
Net Cash Provided by Operating Activities | | | | | | | | | | | | | | |