Annual report pursuant to Section 13 and 15(d)

LONG-LIVED ASSETS (Goodwill) (Details)

v3.10.0.1
LONG-LIVED ASSETS (Goodwill) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Changes in carrying amount of goodwill [Roll Forward]          
Gross Goodwill - Beginning of period     $ 2,179,452,000 $ 2,151,951,000  
Accumulated impairment losses - Beginning of period     (424,863,000) (404,863,000)  
Net Goodwill - Beginning of period     1,754,589,000 1,747,088,000  
Acquisitions—current year     52,618,000 26,842,000  
Acquisitions—prior year     55,238,000 (30,554,000)  
Dispositions     (7,053,000)    
Goodwill Impairment $ (10,500,000) $ (20,000,000) (10,500,000) (20,000,000) $ 0
Foreign exchange     (21,949,000) 31,213,000  
Gross Goodwill - End of period 2,258,306,000 2,179,452,000 2,258,306,000 2,179,452,000 2,151,951,000
Accumulated impairment losses - End of period (435,363,000) (424,863,000) (435,363,000) (424,863,000) (404,863,000)
Net Goodwill - End of period 1,822,943,000 1,754,589,000 1,822,943,000 1,754,589,000 1,747,088,000
Concerts [Member]          
Changes in carrying amount of goodwill [Roll Forward]          
Gross Goodwill - Beginning of period     1,015,913,000 1,017,020,000  
Accumulated impairment losses - Beginning of period     (424,863,000) (404,863,000)  
Net Goodwill - Beginning of period     591,050,000 612,157,000  
Acquisitions—current year     42,841,000 10,265,000  
Acquisitions—prior year     53,541,000 (21,614,000)  
Dispositions     (7,053,000)    
Goodwill Impairment     (10,500,000) (20,000,000)  
Foreign exchange     (10,638,000) 10,242,000  
Gross Goodwill - End of period 1,094,604,000 1,015,913,000 1,094,604,000 1,015,913,000 1,017,020,000
Accumulated impairment losses - End of period (435,363,000) (424,863,000) (435,363,000) (424,863,000) (404,863,000)
Net Goodwill - End of period 659,241,000 591,050,000 659,241,000 591,050,000 612,157,000
Sponsorship & Advertising [Member]          
Changes in carrying amount of goodwill [Roll Forward]          
Gross Goodwill - Beginning of period     401,753,000 395,826,000  
Accumulated impairment losses - Beginning of period     0 0  
Net Goodwill - Beginning of period     401,753,000 395,826,000  
Acquisitions—current year     3,902,000 5,438,000  
Acquisitions—prior year     1,697,000 (9,822,000)  
Dispositions     0    
Goodwill Impairment     0 0  
Foreign exchange     (6,603,000) 10,311,000  
Gross Goodwill - End of period 400,749,000 401,753,000 400,749,000 401,753,000 395,826,000
Accumulated impairment losses - End of period 0 0 0 0 0
Net Goodwill - End of period 400,749,000 401,753,000 400,749,000 401,753,000 395,826,000
Ticketing [Member]          
Changes in carrying amount of goodwill [Roll Forward]          
Gross Goodwill - Beginning of period     761,786,000 739,105,000  
Accumulated impairment losses - Beginning of period     0 0  
Net Goodwill - Beginning of period     761,786,000 739,105,000  
Acquisitions—current year     5,875,000 11,139,000  
Acquisitions—prior year     0 882,000  
Dispositions     0    
Goodwill Impairment     0 0  
Foreign exchange     (4,708,000) 10,660,000  
Gross Goodwill - End of period 762,953,000 761,786,000 762,953,000 761,786,000 739,105,000
Accumulated impairment losses - End of period 0 0 0 0 0
Net Goodwill - End of period $ 762,953,000 $ 761,786,000 $ 762,953,000 $ 761,786,000 $ 739,105,000