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Stock-Based Compensation Plans (Tables) | 12 Months Ended
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Sep. 30, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock Compensation Expense |
|  | Years Ended September 30
|  | 2012 |  | 2011 |  | 2010
Stock option grants |  | $ | 381 |  |  |  | 370 |  |  |  | 402 |
Restricted stock awards granted in 2006 |  |  | - |  |  |  | - |  |  |  | 48 |
Annual non-employee Director stock award |  |  | 320 |  |  |  | 334 |  |  |  | 354 |
|  | $ | 701 |  |  |  | 704 |  |  |  | 804 |
Summary of Stock Activity |
|  |  |  |  |  |  |  | Weighted
|  |  |  | Weighted |  | Weighted |  | Average
|  | Number |  | Average |  | Average |  | Grant Date
|  | of |  | Exercise |  | Remaining |  | Fair Value
Options |  |  | Shares |  |  |  | Price |  |  |  | Term (yrs) |  |  |  | (000 | 's)
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
October 1, 2009 |  |  | 713,790 |  |  | $ | 12.23 |  |  |  | 4.5 |  |  | $ | 4,246 |
Granted |  |  | 27,210 |  |  | $ | 32.16 |  |  |  |  |  |  | $ | 349 |
Exercised |  |  | (107,100 | ) |  | $ | 6.83 |  |  |  |  |  |  | $ | 389 |
Forfeited |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
September 30, 2010 |  |  | 633,900 |  |  | $ | 14.00 |  |  |  | 4.1 |  |  | $ | 4,206 |
Granted |  |  | 29,160 |  |  | $ | 25.60 |  |  |  |  |  |  | $ | 293 |
Exercised |  |  | (54,035 | ) |  | $ | 9.95 |  |  |  |  |  |  | $ | 274 |
Forfeited |  |  | (3,000 | ) |  | $ | 5.84 |  |  |  |  |  |  | $ | 9 |
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
September 30, 2011 |  |  | 606,025 |  |  | $ | 14.96 |  |  |  | 3.5 |  |  | $ | 4,216 |
Granted |  |  | 31,690 |  |  | $ | 22.25 |  |  |  |  |  |  | $ | 281 |
Exercised |  |  | (153,505 | ) |  | $ | 8.62 |  |  |  |  |  |  | $ | 705 |
Forfeited |  |  | (3,000 | ) |  | $ | 5.78 |  |  |  |  |  |  | $ | 10 |
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
September 30, 2012 |  |  | 481,210 |  |  | $ | 17.52 |  |  |  | 3.8 |  |  | $ | 3,782 |
Exercisable at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
September 30, 2012 |  |  | 410,766 |  |  | $ | 16.18 |  |  |  | 3.0 |  |  | $ | 3,035 |
Vested during |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
twelve months ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
September 30, 2012 |  |  | 35,574 |  |  |  |  |  |  |  |  |  |  | $ | 370 |
Summary of Stock Options Outstanding |
|  |  |  | Weighted |  | Weighted
|  | Shares |  | Average |  | Average
Range of Exercise |  | under |  | Exercise |  | Remaining
Prices per Share |  | Option |  | Price |  | Life (years)
| Non-exercisable: |  |  |  |  |  |  |  |  |  |  |  |  |
| $18.01 - $27.00 |  |  |  | 58,618 |  |  |  | 24.01 |  |  |  | 8.2 |
| $27.01 - $32.16 |  |  |  | 11,826 |  |  |  | 32.16 |  |  |  | 7.2 |
|  |  |  |  | 70,444 |  |  | $ | 25.38 |  |  |  | 8.0 |
| Exercisable: |  |  |  |  |  |  |  |  |  |  |  |  |
| $ 5.75 - $ 8.00 |  |  |  | 6,000 |  |  |  | 7.92 |  |  |  | .2 |
| $ 8.01 - $12.00 |  |  |  | 162,000 |  |  |  | 10.14 |  |  |  | 1.3 |
| $12.01 - $18.00 |  |  |  | 117,150 |  |  |  | 14.77 |  |  |  | 2.3 |
| $18.01 - $27.00 |  |  |  | 80,232 |  |  |  | 23.27 |  |  |  | 6.0 |
| $27.01 - $32.16 |  |  |  | 45,384 |  |  |  | 29.90 |  |  |  | 6.2 |
|  |  |  |  | 410,766 |  |  | $ | 16.18 |  |  |  | 3.0 |
| Total |  |  |  | 481,210 |  |  | $ | 17.52 |  |  |  | 3.8 |
Summary of Restricted Stock Activity |
|  |  |  |  |  |  |  | Weighted
|  |  |  | Weighted |  | Weighted |  | Average
|  | Number |  | Average |  | Average |  | Grant Date
|  | of |  | Exercise |  | Remaining |  | Fair Value
Restricted stock |  |  | Shares |  |  |  | Price |  |  |  | Term (yrs) |  |  |  | (000 | 's)
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
September 30, 2009 |  |  | 7,650 |  |  | $ | 21.23 |  |  |  | 0.3 |  |  | $ | 163 |
Granted |  |  | - |  |  | $ | - |  |  |  |  |  |  | $ | - |
Vested |  |  | (7,530 | ) |  | $ | 21.22 |  |  |  |  |  |  | $ | 160 |
Forfeited |  |  | (120 | ) |  | $ | 22.03 |  |  |  |  |  |  | $ | 3 |
Outstanding at |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
September 30, 2010 |  |  | - |  |  | $ | - |  |  |  | - |  |  | $ | - |

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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 share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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