| In millions, except per share items | Sep-30-14 | Jun-30-14 | Mar-31-14 | Dec-31-13 | Sep-30-13 | Jun-30-13 | Mar-31-13 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Net income | -160.6 | 12.7 | 8.9 | 6.4 | 55.8 | -71.5 | -51.9 |
| Depreciation and amortization [+] | 66.0 | 68.6 | 68.9 | 69.7 | 68.2 | 58.3 | |
| Depreciation | 32.7 | 33.2 | 33.4 | 34.4 | 34.4 | 43.2 | 31.9 |
| Amortization of intangible assets | 15.1 | 17.2 | 17.2 | 17.0 | 17.0 | 12.6 | 6.9 |
| Stock-based compensation | 8.7 | 9.2 | 9.7 | 9.4 | 8.3 | 7.6 | |
| Deferred taxes | -19.4 | -22.9 | -25.5 | -27.2 | 7.9 | 29.7 | |
| Change in working capital [+] | -8.3 | -19.2 | -20.4 | -34.2 | -23.4 | -17.2 | |
| Accounts receivable | -4.6 | -11.4 | -5.7 | -11.0 | -23.8 | -28.6 | |
| Accounts payable | -3.2 | -4.3 | -2.1 | -8.7 | 2.1 | 3.1 | |
| Other | -0.5 | -3.5 | -12.7 | -14.6 | -1.7 | 8.4 | |
| Other operating activities | 214.5 | 19.4 | 22.4 | 25.0 | 6.0 | 148.9 | |
| Cash from operations | 100.8 | 67.8 | 63.9 | 49.0 | 122.8 | 155.8 | |
| |
| Capital expenditures [+] | -32.0 | -33.9 | -35.4 | -29.4 | -30.6 | -28.7 | |
| Purchases of property and equipment | -24.8 | -26.7 | -28.2 | -29.4 | -30.6 | -28.7 | |
| Capitalized product costs | | | -7.3 | | | | |
| Sales of property and equipment | 0.1 | 0.1 | 0.1 | | 0.1 | 0.1 | 0.1 |
| Acquisitions | -34.9 | -33.1 | -42.5 | -20.2 | -368.6 | -402.6 | |
| Purchases of short-term investments | -0.2 | -1.0 | | | | | |
| Purchases of short-term investments | -0.2 | -1.0 | | | | | |
| Other cash from investing | | 10.0 | 10.0 | -89.9 | | | |
| Cash from investing | -57.0 | -57.8 | -67.8 | -139.4 | -464.7 | -464.0 | |
| |
| Option exercises | 2.5 | 2.2 | 2.1 | | 1.5 | 1.8 | 1.2 |
| Financing costs | | | | -1.3 | -10.9 | -11.3 | -11.1 |
| Other cash from financing | -46.4 | -8.4 | 2.6 | 56.8 | 330.1 | 319.9 | |
| Cash from financing | -48.2 | -10.0 | 1.3 | 56.6 | 339.6 | 324.5 | |
| |
| Free cash flow | 76.1 | 41.1 | 35.7 | 19.6 | 92.2 | 127.1 | |
| Per share (diluted) | $1.23 | $0.60 | $0.51 | $0.36 | $1.70 | $2.35 | |