Quarterly report pursuant to Section 13 or 15(d)

LONG-LIVED ASSETS (Long-Lived Asset Disposals) (Details)

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LONG-LIVED ASSETS (Long-Lived Asset Disposals) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Value of assets and liabilities at time of disposal and the resulting gain or loss [Abstract]    
Gain on Disposal of Operating Assets $ 3,597 $ 288
Concerts [Member]
   
Value of assets and liabilities at time of disposal and the resulting gain or loss [Abstract]    
Gain on Disposal of Operating Assets 3,130 470
Concerts [Member] | Ohio Amphitheater [Member]
   
Value of assets and liabilities at time of disposal and the resulting gain or loss [Abstract]    
Gain on Disposal of Operating Assets   444
Current Assets   0
Noncurrent Assets   5,400
Current Liabilities   444
Noncurrent Liabilities   $ 0