| 
           LONG-LIVED ASSETS (Investments in Nonconsolidated Affiliates) (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        6 Months Ended | |
|---|---|---|
| 
           Jun. 30, 2013 
         | 
        
           Jun. 30, 2012 
         | 
      |
| Schedule of Equity Method Investments [Line Items] | ||
| Revenue (at 100 percent) | $ 28,203 | $ 28,929 | 
| Operating income (at 100 percent) | 14,956 | 15,399 | 
| Net income (at 100 percent) | $ 11,693 | $ 12,720 | 
| 
           Nonconsolidated ticketing distribution services company [Member] 
         | 
        ||
| Schedule of Equity Method Investments [Line Items] | ||
| Percentage ownership of nonconsolidated affilitate (in hundreths) | 33.00% | 33.00% | 
| 
           Nonconsolidated artist management company [Member] 
         | 
        ||
| Schedule of Equity Method Investments [Line Items] | ||
| Percentage ownership of nonconsolidated affilitate (in hundreths) | 50.00% | 50.00% | 
| X | ||||||||||
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- Definition 
          The amount of operating income (loss) reported by an equity method investment of the entity. No definition available. 
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- Definition 
          The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          The amount of net income (loss) reported by an equity method investment of the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity. No definition available. 
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- Details 
          
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