Quarterly report pursuant to Section 13 or 15(d)

LONG-LIVED ASSETS (Definite-lived Intangibles Amortization) (Details)

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LONG-LIVED ASSETS (Definite-lived Intangibles Amortization) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Finite-Lived Intangible Assets [Line Items]        
Amortization of definite-lived intangible assets $ 42,300 $ 39,700 $ 118,400 $ 107,600
Amortization expense related to nonrecoupable ticketing contract advances 22,400 $ 21,100 55,200 $ 50,100
Estimate of future amortization expense of definite-lived intangible assets [Abstract]        
October 1 - December 31, 2015 40,968   40,968  
2016 149,292   149,292  
2017 131,870   131,870  
2018 110,812   110,812  
2019 $ 96,569   $ 96,569