| 1,873.6 | 1,939.6 | 1,879.3 | 1,745.2 | 1,529.9 | 1,312.9 | | | | | | | | |
| | | | | | | | | | | | | | |
Depreciation & Amortization | 469.1 | 448.1 | 429.7 | 416.5 | 406.5 | 399.4 | | | | | | | | |
Amortization of Deferred Contract Costs | | | | | | | | | | | | | | |
Depreciation and Amortization | | | | | | | | | | | | | | |
| 272.8 | 266.9 | 261.7 | 257.9 | 255.5 | 253.9 | | | | | | | | |
| | | | | | | | | | | | | | |
| -21.4 | -128.9 | -107.5 | -140.9 | -148.3 | -29.9 | | | | | | | | |
Amortization of Investment Discounts | | | | | | | | | | | | | | |
Loss from Equity Method Investments | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Trade Receivables | -113.2 | -101.6 | -147.1 | -45.4 | -13.3 | -6.5 | | | | | | | | |
| | | | | | | | | | | | | | |
| -82.8 | -33.6 | 60.6 | 131.2 | 82.4 | -38.1 | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Accounts Payable | 33.3 | 103.8 | 76 | -10.2 | -85.5 | -106.7 | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Accrued Expenses | -25.7 | -44.3 | -128.8 | -106.7 | -165.1 | -62.7 | | | | | | | | |
| | | | | | | | | | | | | | |
Accrued Payroll and Compensation | | | | | | | | | | | | | | |
Changes in Income Taxes Payable | — | — | — | — | — | — | | | | | | | | |
Change in Income Taxes Payable | | | | | | | | | | | | | | |
Changes in Unearned Revenue | 631.5 | 620.9 | 580 | 577.8 | 683.5 | 767.7 | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Other Operating Activities | -512.3 | -593.1 | -536 | -567.3 | -601.4 | -607.9 | | | | | | | | |
Prepaid Expenses and Other Current Assets | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
Cash from Operating Activities | 2,448 | 2,400.9 | 2,291 | 2,258.1 | 1,972.2 | 1,915.3 | | | | | | | | |
Net Cash Provided by Operating Activities | | | | | | | | | | | | | | |