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 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]        
Amortization of definite-lived intangible assets $ 43,500 $ 33,300 $ 76,100 $ 67,900
Amortization expense related to nonrecoupable ticketing contract advances 13,200 $ 11,600 32,800 $ 29,000
Estimate of future amortization expense of definite-lived intangible assets [Abstract]        
2015 75,497   75,497  
2016 144,778   144,778  
2017 125,955   125,955  
2018 110,133   110,133  
2019 $ 97,110   $ 97,110