XML 121 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Cost of Revenue (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Cost of Revenue [Abstract]        
Corporate Office Costs $ 47,600,000 $ 56,600,000 $ 93,000,000 $ 104,200,000
Share-based Compensation $ 9,471,000 $ 10,129,000 $ 19,429,000 $ 20,624,000