CASH DIVIDENDS (Details) - $ / shares		1 Months Ended	12 Months Ended
Nov. 05, 2015	Sep. 30, 2015	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014
CASH DIVIDENDS
Dividend record date		Oct. 15, 2015
Cash dividend declared per common share		$ 0.70	$ 0.70	$ 0.70	$ 0.75
Cash dividend paid per common share	$ 0.70			$ 0.70	$ 0.75

Aggregate dividends paid during the period for each share of common stock outstanding.

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

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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