Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION, Share-based Arrangements with Employees and Nonemployees (Details)

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STOCK-BASED COMPENSATION, Share-based Arrangements with Employees and Nonemployees (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Share-based arrangements with employees and nonemployees [Abstract]        
Total unrecognized compensation cost $ 53.6   $ 53.6  
Cost is expected to be recognized over a weighted average period     2 years 4 months 24 days  
Azoff Trust Note [Member]
       
Share-based arrangements with employees and nonemployees [Abstract]        
Interest rate on note issued (in hundredths) 3.00%   3.00%  
Payable in monthly installments     0.80  
Corporate expenses related to Azoff Trust Note $ 1.6 $ 1.6 $ 4.8 $ 4.8