Annual report pursuant to Section 13 and 15(d)

LONG-LIVED ASSETS, Other Operating Assets and Long-Lived Asset Disposals (Details)

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LONG-LIVED ASSETS, Other Operating Assets and Long-Lived Asset Disposals (Details) (USD $)
 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Sep. 30, 2009
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2010
Paciolan [Member]
Dec. 31, 2010
Cirkus [Member]
Dec. 31, 2010
Indoor Latin/Salsa Event [Member]
Dec. 31, 2009
MLK [Member]
Dec. 31, 2011
Selma amphitheater [Member]
Dec. 31, 2009
Boston Venues [Member]
Jan. 31, 2011
Artist management company [Member]
Dec. 31, 2011
Artist management company [Member]
Other operating assets [Abstract]                      
Impairment of other operating assets   $ 13,400,000 $ 1,900,000                
Long-lived asset disposals [Abstract]                      
Percentage of controlling interest sold (in hundredths)                   50.00%  
Contingent earn-out payment period under theater management agreement (in years) 5Y                    
Equity interest sold (in hundredths)             20.00%        
Asset and liability values at time of disposal and the resulting gain or loss [Abstract]                      
Segment       Ticketing Concerts Concerts Concerts Concerts Concerts   Artist Nation
Gain (Loss) on Sale       (5,218,000) 3,094,000 (67,000) 1,564,000 798,000 60,000   (1,264,000)
Current Assets       8,357,000 (1,258,000) 408,000 0 0 127,000   3,000
Noncurrent Assets       33,492,000 15,502,000 8,000 7,419,000 3,206,000 22,422,000   4,153,000
Current Liabilities       7,595,000 3,847,000 348,000 0 0 1,232,000   119,000
Noncurrent Liabilities       $ 6,364,000 $ 0 $ 0 $ 0 $ 0 $ 0   $ 0