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Fair Value Measurements (Details Narrative) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2010	Sep. 30, 2009	Sep. 30, 2012	Sep. 30, 2011
Fair Value Disclosures [Abstract]
Assets measured at fair value on a recurring basis			$ 0
Liabilities measured at fair value on a recurring basis			0
Assets measured at fair value on a non-recurring basis			0
Liabilities measured at fair value on a non-recurring basis			0
Carrying amount of other long-term debt			62,370,000	67,272,000
Fair value of other long-term debt			67,379,000	70,386,000
Impairment of corporate aircraft	$ 300,000	$ 900,000

X

- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

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- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Aggregation of the liabilities reported on the balance sheet measured at fair value on a nonrecurring basis by the entity.

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Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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