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Stockholders' Equity
3 Months Ended
Mar. 31, 2012
Equity [Abstract]  
Stockholders' Equity
2.
STOCKHOLDERS’ EQUITY
Stock Repurchase Program
During the three months ended March 31, 2012, we repurchased a total of $20.8 million or 0.4 million shares of common stock under our January 2011, three-year, $5.00 billion stock repurchase program.