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RELATED PARTY TRANSACTIONS (Details) (Directors and Officers that provide promotional materials, USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
item
Sep. 30, 2012
Directors and Officers that provide promotional materials
       
Related party transactions        
Number of directors and officers who are principal owners of a company that provides promotional materials     2  
Expenses incurred in connection with materials or services provided by a related party $ 0.1 $ 0.6 $ 0.4 $ 0.7