SHARE REPURCHASES, TREASURY STOCK AND NON-CONTROLLING INTEREST (Details 3) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
Oct. 04, 2014	Jan. 31, 2015
Non-Controlling Interest
Interest purchased from minority interest holders (as a percent)	14.00%	14.00%
Increase in capital in excess of par due to purchase of non-controlling interest		$ 7,249
Cash consideration paid to former minority interest holders		$ 6,651us-gaap_PaymentsToMinorityShareholders

Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Name:	us-gaap_PaymentsToMinorityShareholders
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration