Annual report pursuant to Section 13 and 15(d)

THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

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THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Basis of presentation and principles of consolidation [Abstract]      
Equity method investment ownership percentage, maximum (in hundredths) 50.00%    
Equity method investment ownership percentage, minimum (in hundredths) 20.00%    
Cost method ownership percentage, threshold (in hundredths) 20.00%    
Cash and cash equivalents [Abstract]      
Collected proceeds relating to the face value of the tickets sold on behalf of clients and the clients' share of convenience and order processing charges. $ 441.6 $ 373.9  
Ticketing contract advances [Abstract]      
Amortization of non-recoupable ticketing contract advances 48.1 38.6 24.1
Foreign currency [Abstract]      
Cumulative translation adjustments included in accumulated OCI (9.7) (35.7)  
Net foreign currency transaction gains/(losses) 1.4 (5.1) 2.8
Reclassifications [Abstract]      
Reclassification of intersegment revenues   35.4  
Reclassification of other long term assets   10.4  
Direct Operating Expense [Member]
     
Advertising expense [Abstract]      
Advertising expense 208.0 200.5 206.6
Selling, General and Administrative Expense [Member]
     
Advertising expense [Abstract]      
Advertising expense $ 21.6 $ 18.0 $ 14.6
Minimum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Estimated useful lives 3 years    
Maximum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Estimated useful lives 20 years    
Buildings and Improvements [Member] | Minimum [Member]
     
Property, plant and equipment [Abstract]      
Estimated useful life 10 years    
Buildings and Improvements [Member] | Maximum [Member]
     
Property, plant and equipment [Abstract]      
Estimated useful life 50 years    
Computer Equipment and Capitalized Software [Member] | Minimum [Member]
     
Property, plant and equipment [Abstract]      
Estimated useful life 3 years    
Computer Equipment and Capitalized Software [Member] | Maximum [Member]
     
Property, plant and equipment [Abstract]      
Estimated useful life 10 years    
Furniture and Other Equipment [Member] | Minimum [Member]
     
Property, plant and equipment [Abstract]      
Estimated useful life 3 years    
Furniture and Other Equipment [Member] | Maximum [Member]
     
Property, plant and equipment [Abstract]      
Estimated useful life 10 years