Quarterly report pursuant to Section 13 or 15(d)

LONG-LIVED ASSETS (Goodwill) (Details)

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LONG-LIVED ASSETS (Goodwill) (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Concerts [Member]
Jun. 30, 2014
Ticketing [Member]
Jun. 30, 2014
Artist Nation [Member]
Jun. 30, 2014
Sponsorship & Advertising [Member]
Dec. 31, 2013
Current Year Adjustment [Member]
Changes in carrying amount of goodwill [Roll Forward]            
Gross Goodwill - Beginning of period $ 1,736,885 [1] $ 505,472 $ 642,249 $ 278,923 $ 310,241 $ (13,000)
Accumulated impairment losses - Beginning of period (269,902) [1] (269,902) 0 0 0  
Net Goodwill - Beginning of period 1,466,983 235,570 642,249 278,923 310,241  
Acquisitions—current year 18,668 1,129 0 17,539 0  
Acquisitions—prior year 2,713 (1,786) 0 (927) 5,426  
Foreign exchange 14,343 8,895 (629) 221 5,856  
Gross Goodwill - End of period 1,772,609 513,710 641,620 295,756 321,523 (13,000)
Accumulated impairment losses - End of period (269,902) (269,902) 0 0 0  
Net Goodwill - End of period $ 1,502,707 $ 243,808 $ 641,620 $ 295,756 $ 321,523  
[1] The previously reported total balance has been reduced by $13.0 million due to the net down of fully impaired goodwill related to the Company’s non-core events business which was sold in 2008.