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Earnings (Loss) Per Share (Parenthetical) (Details) - shares
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Earnings Per Share [Abstract]
Vested directors' shares
263,057
246,442
255,039
X
- References
No definition available.
+ Details
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us-gaap_EarningsPerShareAbstract
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X
- Definition
Number of options vested.
+ References
No definition available.
+ Details
Name:
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Namespace Prefix:
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Data Type:
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