Gain Contingencies - Other Operating Gains (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Jun. 30, 2012	Jun. 30, 2011
Gain Contingencies - Other Operating Gains (Textual) [Abstract]
Other Operating Gains	$ 14	$ 2,929
Cash property tax refunds		2,671
Cash consideration for a limited release of liability	$ 14	$ 258

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Gain contingency amount related to consideration for release of liability.

+ References

No definition available.

+ Details

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- Definition

The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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