In millions, except per share items | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 | Dec-31-07 | Dec-31-06 |
| 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K/A |
Net income | -24.6 | -195.9 | 17.2 | 15.7 | 49.8 | 63.6 | 70.8 | 60.8 |
Depreciation and amortization [+] | 22.2 | 20.3 | 22.2 | 23.4 | 19.4 | 16.0 | 12.7 | 11.0 |
Amortization of intangible assets | 8.5 | 6.8 | 8.7 | 7.8 | 7.6 | 8.4 | | |
Stock-based compensation | 20.6 | 29.5 | 22.1 | 20.8 | 18.3 | 12.5 | | |
Tax benefit from stock-based compensation | | -0.5 | -2.0 | -2.5 | -0.7 | -4.4 | -12.0 | -9.0 |
Deferred taxes | -0.2 | 23.3 | -2.6 | -2.8 | -0.2 | 5.0 | | |
Change in working capital [+] | -53.7 | -20.9 | 14.4 | -9.8 | 37.5 | -6.3 | 21.3 | -2.0 |
Accounts receivable | -15.3 | 2.7 | -15.3 | 0.2 | 2.7 | 11.3 | -6.9 | -14.7 |
Other current assets | 9.7 | -8.4 | 2.6 | -6.5 | 23.3 | -26.5 | | |
Accounts payable | -37.7 | -40.3 | 57.2 | -11.6 | 7.1 | 6.5 | 32.2 | 3.7 |
Accrued expenses | -1.5 | 5.9 | -24.3 | 12.3 | -1.1 | 4.5 | | |
Deferred revenues | -7.3 | 8.3 | -1.8 | -2.7 | 4.1 | 3.2 | | |
Income taxes | -1.7 | 10.9 | -4.1 | -1.5 | 1.4 | -5.4 | | |
Other operating activities | 20.4 | 183.0 | 23.5 | 13.0 | 13.0 | 8.8 | 53.6 | 56.7 |
Cash from operations | -15.3 | 38.8 | 94.8 | 57.8 | 137.1 | 95.2 | 146.4 | 117.5 |
|
Capital expenditures | -23.3 | -22.0 | -23.9 | -18.6 | -31.9 | -26.9 | 0.0 | 0.0 |
Purchases of property and equipment | -23.3 | -22.0 | -23.9 | -18.6 | -31.9 | -26.9 | | |
Acquisitions | -55.8 | | | -14.6 | -4.9 | -23.5 | -31.6 | -37.8 |
Sales of short-term investments, net [+] | 44.1 | 87.1 | -41.2 | -145.4 | 23.4 | 195.2 | -78.3 | -14.3 |
Purchases of short-term investments | -140.9 | -98.7 | -254.5 | -198.7 | | -480.9 | -436.8 | -193.6 |
Sales of short-term investments | 185.0 | 185.8 | 213.3 | 53.3 | 23.4 | 676.1 | 358.5 | 179.3 |
Other cash from investing | 39.8 | 3.2 | -9.5 | -2.2 | -48.7 | | | |
Cash from investing | 4.7 | 68.3 | -74.6 | -180.7 | -62.2 | 144.8 | -128.7 | -68.0 |
|
Repurchase of common stock, net | -51.2 | -22.7 | -79.8 | -35.0 | | -137.9 | -63.0 | 172.8 |
Option exercises | 3.5 | 4.1 | 2.8 | 5.0 | 10.1 | 7.2 | | |
Financing costs | | | -0.3 | -9.5 | | | | |
Other cash from financing | -2.8 | -40.3 | 1.0 | 337.5 | -164.1 | 20.8 | | |
Cash from financing | -57.5 | -67.0 | -81.3 | 307.0 | -174.1 | -124.2 | -35.5 | 204.6 |
|
Free cash flow | -38.6 | 16.8 | 70.9 | 39.2 | 105.1 | 68.3 | 146.4 | 117.5 |
Per share (diluted) | ($1.20) | $0.51 | $1.89 | $1.02 | $2.79 | $1.62 | $3.19 | $2.63 |
|
Cash paid for interest | 6.1 | 7.1 | 7.0 | 0.1 | 1.3 | 2.4 | | |