Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS (Fair Value of Assets Measured on Non-recurring Basis) (Details)

v3.3.1.900
FAIR VALUE MEASUREMENTS (Fair Value of Assets Measured on Non-recurring Basis) (Details)
 3 Months Ended 12 Months Ended
Jun. 30, 2015
USD ($)
Dec. 31, 2014
USD ($)
Sep. 30, 2014
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Gain on consolidation of nonconsolidated affiliates $ (10,000,000) $ (17,100,000)   $ (9,124,000) $ (16,356,000)  
Impairment charge, definite-lived intangible assets   9,300,000     11,107,000 $ 10,600,000
Impairment charge, indefinite-lived intangible assets     $ 5,963,000 0 5,963,000 0
Impairment charge, goodwill   134,961,000   0 134,961,000 0
Impairment charge, investments in nonconsolidated affiliates           $ 9,200,000
Fair Value, Measurements, Nonrecurring [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Definite-lived intangible assets, net   627,000     627,000  
Indefinite-lived intangible assets   0     0  
Goodwill   142,719,000     142,719,000  
Investments in nonconsolidated affiliates   0   0 0  
Fair Value, Measurements, Nonrecurring [Member] | Level 1 [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Definite-lived intangible assets, net   0     0  
Indefinite-lived intangible assets   0     0  
Goodwill   0     0  
Investments in nonconsolidated affiliates   0   0 0  
Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Definite-lived intangible assets, net   0     0  
Indefinite-lived intangible assets   0     0  
Goodwill   0     0  
Investments in nonconsolidated affiliates   0   0 0  
Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Definite-lived intangible assets, net   627,000     627,000  
Indefinite-lived intangible assets   0     0  
Goodwill   142,719,000     142,719,000  
Investments in nonconsolidated affiliates   $ 0   $ 0 $ 0  
Artist Nation [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Number of businesses consolidated         2  
Impairment charge, goodwill         $ 17,948,000  
Concerts [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment charge, goodwill         117,013,000  
Operating Segments [Member] | Artist Nation [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment charge, goodwill         17,948,000  
Operating Segments [Member] | Concerts [Member]            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Impairment charge, goodwill         $ 117,013,000