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GROSS VERSUS NET REVENUE RECOGNITION (Details) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
GROSS VERSUS NET REVENUE RECOGNITION [Abstract]    
Franchise fees included as component of net revenue$ 36,756$ 33,742$ 110,716$ 100,647