v2.4.0.6

SHAREHOLDERS' EQUITY (Details 3) (USD $) In Thousands, except Share data in Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended |  | 1 Months Ended |  |  |  | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2010 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Feb. 28, 2011 | Dec. 31, 2010 Common stock | Dec. 31, 2011 Common stock | Jul. 26, 2011 Common stock | Mar. 31, 2011 Common stock | Dec. 31, 2010 Class B convertible common stock
Shareholders' equity |  |  |  |  |  |  |  |  |  |
Common stock repurchased (in shares) |  | 13.6 | 23.1 |  |  |  |  |  |  |
Aggregate consideration for common stock repurchased |  | $ 518,637 | $ 530,885 | $ 554,203 |  |  |  |  |  |
Cash payment component of tax-free exchange for substantially all of Liberty's stake in IAC | $ 217,900 |  | $ 217,921 |  |  |  |  |  |  |
Shares exchanged |  |  |  |  |  | 4.3 |  |  |  | 8.5
Shares received from Liberty in fulfillment of post-closing working capital adjustments |  |  |  |  | 0.1 |  |  |  | 0.1 |
Additional shares authorized for repurchase |  |  |  |  |  |  |  | 15 |  |
Shares remaining in share repurchase authorization |  |  |  |  |  |  | 8.6 |  |  |

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