COMMITMENTS AND CONTINGENCIES: (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
Mar. 31, 2014
Commitments
Ownership ratio in a joint venture with a local real estate developer	0.50
Loan guarantees
Commitments
Maximum potential future payments under guarantees of third-party indebtedness	$ 1.5

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant