Cost of Revenue	6 Months Ended
Jun. 30, 2011
Cost of Revenue [Abstract]
COST OF REVENUE	3. COST OF REVENUE Substantially all of the Company’s operating costs and expenses are “cost of revenue” items. Operating costs that could be classified as general and administrative by the Company would include the Company’s corporate office costs at its Franklin, Tennessee office, which were $47.8 million and $42.4 million for the three months ended June 30, 2011 and 2010, respectively, and $89.5 million and $80.2 million for the six months ended June 30, 2011 and 2010, respectively. Included in these amounts is stock-based compensation expense of $10.8 million and $10.7 million for the three months ended June 30, 2011 and 2010, respectively, and $20.7 million and $20.4 million for the six months ended June 30, 2011 and 2010, respectively.

3. COST OF REVENUE

Substantially all of the Company’s operating costs and expenses are “cost of revenue” items. Operating costs that could be classified as general and administrative by the Company would include the Company’s corporate office costs at its Franklin, Tennessee office, which were $47.8 million and $42.4 million for the three months ended June 30, 2011 and 2010, respectively, and $89.5 million and $80.2 million for the six months ended June 30, 2011 and 2010, respectively. Included in these amounts is stock-based compensation expense of $10.8 million and $10.7 million for the three months ended June 30, 2011 and 2010, respectively, and $20.7 million and $20.4 million for the six months ended June 30, 2011 and 2010, respectively.