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SELECTED QUARTERLY FINANCIAL DATA (Common Stock Market Price and Dividend Information) (Details) (USD $)
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3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2011
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| SELECTED QUARTERLY FINANCIAL DATA (unaudited) [Abstract] | |||||||||||
| Market price, high | $ 13.63 | $ 11.00 | $ 8.98 | $ 8.86 | $ 8.42 | $ 9.0 | $ 10.51 | $ 9.95 | |||
| Market price, low | $ 10.25 | $ 8.48 | $ 6.76 | $ 6.82 | $ 6.63 | $ 8.1 | $ 8.03 | $ 8.37 | |||
| Cash dividends declared, per share | $ 0.04 | $ 0.04 | $ 0.04 | $ 0.04 | $ 0.04 | $ 0.04 | $ 0.04 | $ 0.04 | $ 0.16 | $ 0.16 | $ 0.28 |