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           CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (Parenthetical) (USD $) 
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        3 Months Ended | |
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           Dec. 31, 2013 
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           Dec. 31, 2012 
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| CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) [Abstract] | ||
| Purchase of treasury stock, shares (in shares) | 102,177 | 155,732 | 
| Issuance of treasury stock, shares (in shares) | 184,278 | 208,429 | 
| Dividends, per share (in dollars per share) | $ 0.11 | $ 0.10 | 
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- Definition 
          Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
          
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- Definition 
          Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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