Capital Stock (Details 3) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Options Exercisable
Aggregate intrinsic value of stock options outstanding and exercisable	$ 217
Proceeds from exercise of stock options	115	2,183	516
Pre-tax gain from exercise of stock options	$ 133	$ 1,173	$ 590
$14.22
Range of Exercise Prices
Avg. life	1 year
Options Outstanding
Shares	32,500
Weighted-Average Exercise Price (in dollars per share)	$ 14.22
Options Exercisable
Shares	32,500
Weighted-Average Exercise Price (in dollars per share)	$ 14.22

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Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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