Note 12. Stock Compensation Plan - Stock Compensation Awards (Details) - $ / shares	3 Months Ended
Dec. 31, 2015	Sep. 30, 2015
Annual Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award
Stock Compensation, Shares Awarded		111,695
Stock Compensation, Grant Date Fair Value		$ 12.12
Relative Total Shareholder Return
Share-based Compensation Arrangement by Share-based Payment Award
Stock Compensation, Shares Awarded		36,093
Stock Compensation, Grant Date Fair Value		$ 15.10
Restricted Share Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Stock Compensation, Shares Awarded		93,232
Unrestricted Shares
Share-based Compensation Arrangement by Share-based Payment Award
Stock Compensation, Shares Awarded	2,443	5,304
Stock Compensation, Grant Date Fair Value	$ 12.29	$ 11.31
Unrestricted Shares Director Compensation
Share-based Compensation Arrangement by Share-based Payment Award
Stock Compensation, Shares Awarded	6,587
Stock Compensation, Grant Date Fair Value	$ 12.04
Minimum \| Restricted Share Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Stock Compensation, Grant Date Fair Value		11.58
Maximum \| Restricted Share Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Stock Compensation, Grant Date Fair Value		$ 12.32

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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