Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND OTHER INFORMATION New Revenue Recognition Guidance (Details)

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BASIS OF PRESENTATION AND OTHER INFORMATION New Revenue Recognition Guidance (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Income Statement [Abstract]        
Revenue $ 2,868,315 $ 2,683,585 $ 4,350,699 $ 3,926,464
Direct operating expenses 2,135,107 2,022,471 3,067,191 2,797,732
Depreciation and amortization 89,785 81,165 177,656 161,697
Operating Segments [Member] | Ticketing [Member]        
Income Statement [Abstract]        
Revenue 351,195 311,181 723,568 624,019
Direct operating expenses 119,787 103,186 244,071 204,919
Depreciation and amortization $ 34,989 27,565 $ 68,622 54,102
Accounting Standards Update 2014-09 [Member]        
Income Statement [Abstract]        
Revenue   (135,108)   (305,410)
Direct operating expenses   (120,403)   (270,642)
Depreciation and amortization   (14,705)   (34,768)
Accounting Standards Update 2014-09 [Member] | Operating Segments [Member] | Ticketing [Member]        
Income Statement [Abstract]        
Revenue   (173,398)   (354,270)
Direct operating expenses   (157,739)   (317,809)
Depreciation and amortization   (15,659)   (36,461)
Scenario, Previously Reported [Member]        
Income Statement [Abstract]        
Revenue   2,818,693   4,231,874
Direct operating expenses   2,142,874   3,068,374
Depreciation and amortization   95,870   196,465
Scenario, Previously Reported [Member] | Operating Segments [Member] | Ticketing [Member]        
Income Statement [Abstract]        
Revenue   484,579   978,289
Direct operating expenses   260,925   522,728
Depreciation and amortization   $ 43,224   $ 90,563