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CERTAIN RELATIONSHIPS AND RELATED-PARTY TRANSACTIONS (Details) (USD $)
Share data in Millions, unless otherwise specified |
1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2011
Liberty Media [Member]
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Feb. 28, 2011
Liberty Media [Member]
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Mar. 31, 2012
Liberty Media [Member]
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Mar. 31, 2012
ATC Aviation, Inc. [Member]
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Mar. 31, 2011
ATC Aviation, Inc. [Member]
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Jan. 31, 2011
Front Line [Member]
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Jan. 31, 2011
Azoff Trust [Member]
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Jan. 31, 2011
Employee of Subsidiary [Member]
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Mar. 31, 2012
Employee of Subsidiary [Member]
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Mar. 31, 2012
Other Related Parties [Member]
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Mar. 31, 2011
Other Related Parties [Member]
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Dec. 31, 2011
Other Related Parties [Member]
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Mar. 31, 2012
Director Related Parties [Member]
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Mar. 31, 2011
Director Related Parties [Member]
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Jan. 31, 2011
Board of Directors Chairman [Member]
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Mar. 31, 2012
Management of Subsidiary [Member]
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Mar. 31, 2011
Management of Subsidiary [Member]
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| Related Party Transaction [Line Items] | |||||||||||||||||
| Expenses from transactions with related party | $ 700,000 | $ 100,000 | $ 1,440,000 | $ 3,578,000 | $ 6,761,000 | $ 366,000 | |||||||||||
| Number of directors nominated by related party | 2 | ||||||||||||||||
| Common shares sold to related party pursuant to the subscription agreement (in shares) | 5.5 | 1.8 | |||||||||||||||
| Aggregate cash consideration of common shares sold | 57,700,000 | 18,800,000 | |||||||||||||||
| Dividend paid by consolidated subsidiary | 20,100,000 | 3,000,000 | |||||||||||||||
| Dividend paid by consolidated subsidiary to parent | 15,000,000 | ||||||||||||||||
| Gross-up payment related party | 600,000 | ||||||||||||||||
| Principal amount of promissory note made by a wholly owned subsidiary to a majority owned subsidiary | 20,700,000 | ||||||||||||||||
| Interest rate of promissory note (in hundredths) | 4.50% | ||||||||||||||||
| Deferred consideration payments from a business combination | 0 | 6,800,000 | |||||||||||||||
| Noncontrolling interest in clubs and theaters venue promotion business sold (in hundredths) | 49.90% | ||||||||||||||||
| Number of employees that partially own business | 2 | ||||||||||||||||
| Cash and assets received from divestiture of noncontrolling interest in a business | 12,600,000 | ||||||||||||||||
| Receivable balance | 13,200,000 | 13,300,000 | |||||||||||||||
| Revenue from transactions with related parties | $ 265,000 | $ 566,000 | $ 7,000 | $ 0 | |||||||||||||