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Commitments and Contingencies (Details 4) (Brendan Airways Litigation, USD $) In Millions, unless otherwise specified	1 Months Ended
	Oct. 31, 2007 subsidiary
Brendan Airways Litigation
Legal Matters
Number of subsidiaries involved in dispute	1
Damages, plus interest and attorney's fees, in pending action	$ 4.5

X

- Definition

Represents the number of subsidiaries of the entity, which were involved in the dispute.

+ References

No definition available.

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X

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 7: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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