COMMITMENTS AND CONTINGENCIES (Details) (US Ecology and the thermal recycling operation owner-operator, USD $)	3 Months Ended
Jun. 30, 2013
US Ecology and the thermal recycling operation owner-operator
Litigation and Regulatory Proceedings
Amount recognized in selling, general and administrative expenses regarding asserted various technical compliance and permitting violations of the Clean Air Act of 1970	$ 238,000

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration