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 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Capitalized Contract Cost [Line Items]          
Amortization of non-recoupable ticketing contract advances     $ 55,893 $ 54,892  
Ticketing [Member]          
Capitalized Contract Cost [Line Items]          
Amortization of non-recoupable ticketing contract advances $ 19,600 $ 20,100 55,900 $ 54,900  
Prepaid Expenses [Member] | Ticketing [Member]          
Capitalized Contract Cost [Line Items]          
Ticketing contract advances 77,200   77,200   $ 76,000
Other Noncurrent Assets [Member] | Ticketing [Member]          
Capitalized Contract Cost [Line Items]          
Ticketing contract advances $ 71,200   $ 71,200   $ 78,600