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Stock-Based Compensation Plans (Tables) | 6 Months Ended
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Mar. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock Compensation Expense |
|  | Three Months ended |  | Six Months ended
|  | March 31, |  | March 31,
|  | 2014 |  | 2013 |  | 2014 |  | 2013
Stock option grants |  | $ | 93 |  |  |  | 89 |  |  |  | 262 |  |  |  | 219 |
Annual director stock award |  |  | 698 |  |  |  | 507 |  |  |  | 698 |  |  |  | 507 |
|  | $ | 791 |  |  |  | 596 |  |  |  | 960 |  |  |  | 726 |
Summary of Stock Activity |
|  |  |  |  |  | Weighted |  |  |  | Weighted |  |  |  | Weighted |
|  | Number |  |  |  | Average |  |  |  | Average |  |  |  | Average |
|  | of |  |  |  | Exercise |  |  |  | Remaining |  |  |  | Grant Date |
Options |  | Shares |  |  |  | Price |  |  |  | Term (yrs) |  |  |  | Fair Value |
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
October 1, 2013 |  | 414,590 |  |  | $ | 20.40 |  |  |  | 4.2 |  |  | $ | 3,668 |
Granted |  | 31,790 |  |  | $ | 41.39 |  |  |  |  |  |  | $ | 545 |
Exercised |  | 55,699 |  |  | $ | 12.01 |  |  |  |  |  |  | $ | 335 |
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
March 31, 2014 |  | 390,681 |  |  | $ | 23.30 |  |  |  | 4.7 |  |  | $ | 3,878 |
Exercisable at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
March 31, 2014 |  | 303,527 |  |  | $ | 21.39 |  |  |  | 3.6 |  |  | $ | 2,745 |
Vested during |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
six months ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
March 31, 2014 |  | 28,348 |  |  |  |  |  |  |  |  |  |  | $ | 322 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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