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GOODWILL AND OTHER INTANGIBLE ASSETS (Changes to Goodwill) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014 reporting_unit	Dec. 31, 2013	Dec. 31, 2012	Dec. 28, 2012
Goodwill [Line Items]
Number of Reporting Units	7us-gaap_NumberOfReportingUnits
Changes to goodwill
Goodwill, beginning of period	$ 570,960,000us-gaap_Goodwill	$ 579,715,000us-gaap_Goodwill
Acquired from acquisitions	7,401,000us-gaap_GoodwillAcquiredDuringPeriod	0us-gaap_GoodwillAcquiredDuringPeriod
Increase from adjustments related to the acquisitions during the measurement period	4,288,000	1,308,000
Goodwill impairment charge	(123,414,000)us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Foreign currency translation and other	(6,566,000)us-gaap_GoodwillTranslationAdjustments	(10,063,000)us-gaap_GoodwillTranslationAdjustments
Goodwill, end of period	452,669,000us-gaap_Goodwill	570,960,000us-gaap_Goodwill	579,715,000us-gaap_Goodwill
Oil Re-refining and Recycling
Goodwill [Line Items]
Goodwill, Gross	174,300,000
Changes to goodwill
Goodwill, beginning of period	171,161,000			173,200,000
Goodwill impairment charge	(123,414,000)
Goodwill, end of period	$ 50,883,000			$ 173,200,000