SIGNIFICANT ACCOUNTING POLICIES GOODWILL AND INTANGIBLE ASSETS (Details) (USD $)
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12 Months Ended | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2013
reporting_unit
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
Minimum
Permits
|
Dec. 31, 2013
Minimum
Other intangible assets
|
Dec. 31, 2013
Maximum
Permits
|
Dec. 31, 2013
Maximum
Other intangible assets
|
Dec. 31, 2013
Oil Refining and Recycling
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Dec. 31, 2012
Oil Refining and Recycling
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Dec. 28, 2012
Oil Refining and Recycling
|
Dec. 31, 2013
Oil and Gas Field Services
|
Dec. 31, 2012
Oil and Gas Field Services
|
Dec. 31, 2012
Technical Services, Field Services, Industrial Services and Lodging Reporting Units
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|
Finite-Lived Intangible Assets [Line Items] | |||||||||||||
Number of Reporting Units | 7 | ||||||||||||
Percentage Fair Value Exceeded Carrying Value | 10.00% | 10.00% | 10.00% | ||||||||||
Goodwill | $ 570,960,000 | $ 579,715,000 | $ 122,392,000 | $ 171,161,000 | $ 173,158,000 | $ 173,200,000 | $ 37,507,000 | $ 39,762,000 | |||||
Finite-Lived Intangible Asset, Useful Life | 5 years | 3 years | 30 years | 20 years | |||||||||
Finite-Lived Intangible Assets, Amortization Expense | $ 35,100,000 | $ 17,200,000 | $ 12,400,000 |