Quarterly report pursuant to Section 13 or 15(d)

REVENUE RECOGNITION (Ticketing Contract Advances) (Details)

v3.10.0.1
REVENUE RECOGNITION (Ticketing Contract Advances) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Capitalized Contract Cost [Line Items]          
Amortization of non-recoupable ticketing contract advances     $ 36,285 $ 34,768  
Ticketing [Member]          
Capitalized Contract Cost [Line Items]          
Amortization of non-recoupable ticketing contract advances $ 16,300 $ 14,700 36,285 $ 34,768  
Prepaid Expenses and Other Current Assets [Member] | Ticketing [Member]          
Capitalized Contract Cost [Line Items]          
Ticketing contract advances 78,500   78,500   $ 76,000
Other Noncurrent Assets [Member] | Ticketing [Member]          
Capitalized Contract Cost [Line Items]          
Ticketing contract advances $ 74,400   $ 74,400   $ 78,600