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CASH DIVIDENDS - Additional Information (Details) - $ / shares |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 05, 2015 | Nov. 06, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Oct. 31, 2015 | Oct. 31, 2014 | Oct. 31, 2015 | Oct. 31, 2014
CASH DIVIDENDS |  |  |  |  |  |  |  |
Dividend record date |  |  | Oct. 15, 2015 | Oct. 15, 2014 |  |  |  |
Cash dividend declared per common share |  |  | $ 0.70 | $ 0.70 | $ 0.70 | $ 0.70 | $ 0.70 | $ 0.70
Cash dividend paid per common share | $ 0.70 | $ 0.70 |  |  |  |  |  |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
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