Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENT LIABILITIES (Details)

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COMMITMENTS AND CONTINGENT LIABILITIES (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Incremental Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]    
Remainder of 2012 $ 1.6  
2013 18.4  
2014 19.0  
2015 18.1  
2016 17.5  
Thereafter 222.7  
Deferred purchase consideration payments [Abstract]    
Amount accrued in other current liabilities   7.1
Amount accrued in other long-term liabilities   2.6
CTS Arbitration [Member]
    
Loss Contingencies [Line Items]    
Term of CTS Agreement 10 years  
Ticketing Fees Consumer Class Action Litigation [Member]
    
Loss Contingencies [Line Items]    
Accrual for best estimate of probable costs of settlement 35.4  
Canadian Consumer Class Action Litigation Relating to TicketsNow [Member]
    
Loss Contingencies [Line Items]    
Number of claims filed 5  
Other Litigation [Member]
    
Loss Contingencies [Line Items]    
Accrual for best estimate of probable costs of settlement 41.5  
Earn Out Arrangements [Member]
    
Business Acquisition, Contingent Consideration [Line Items]    
Amount accrued in other current liabilities 0.8 1.5
Amount accrued in other long-term liabilities 4.4 6.9
Equity investee, contingent consideration [Abstract]    
Amount accrued in other long-term liabilities $ 3.9 $ 3.9