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Stock-Based Compensation	6 Months Ended
Stock-Based Compensation	Jun. 30, 2011
Stock-Based Compensation [Abstract]
Stock-Based Compensation	Note 16. Stock-Based Compensation Stock-based compensation totaled approximately $4.1 million and $9.4 million for the three and six months ended June 30, 2011, respectively. Stock-based compensation totaled approximately $3.5 million and $7.0 million for the three and six months ended June 30, 2010, respectively.