COMMITMENTS AND CONTINGENT LIABILITIES Commitments and Contingent Liabilities (Details) $ in Millions  | 
 Jun. 30, 2015  
USD ($) 
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| Ticketing Fees Consumer Class Action Litigation [Member] | Pending Litigation [Member] | |
| Loss Contingencies [Line Items] | |
| Accrual for best estimate of probable costs of settlement | $ 34.9 | 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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