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DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details)
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12 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2012
Segment
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| DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION [Abstract] | ||
| Number of reportable segments | 2 | 2 |
| Number of uniquely licensed and permitted treatment and storage facilities | 4 | 4 |
| Business Acquisition [Line Items] | ||
| Number of non-operational facilities | 2 | 2 |
| X | ||||||||||
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- Definition
Refers to number of non operational facilities. No definition available.
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| X | ||||||||||
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- Definition
Number of uniquely licensed and permitted treatment and storage facilities. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
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| X | ||||||||||
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- Details
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