BUSINESS COMBINATIONS (Safety-Kleen) (Details) (Safety-Kleen [Member], USD $) Share data in Millions, unless otherwise specified	3 Months Ended		9 Months Ended			12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012	Dec. 31, 2012	Dec. 28, 2012
Business Acquisition [Line Items]
Outstanding common shares acquired (as a percent)							100.00%
Combined purchase price							$ 1,300,000,000
Net working capital adjustment included in purchase price							13,300,000
Threshold for working capital adjustment							50,000,000
Acquisition-related costs	900,000		2,200,000
Existing cash used to finance the acquisition						300,000,000	1,250,000,000
Net proceeds from a public offering of shares used to finance the acquisition						369,300,000
Number of shares sold in the public offering						6.9
Net proceeds from a private debt offering used to finance the acquisition						589,000,000
Business Acquisition, Purchase Price Allocation [Abstract]
Inventories and supplies							107,376,000
Other current assets							152,564,000	[1]
Property, plant and equipment							515,491,000
Permits and other intangibles							425,977,000
Other assets							3,874,000
Current liabilities							(197,733,000)
Remedial liabilities, less current portion							(48,947,000)
Closure and post-closure liabilities, less current portion							(7,553,000)
Deferred taxes, unrecognized tax benefits and other long-term liabilities							(121,197,000)
Total identifiable net assets							829,852,000
Goodwill							433,432,000	[2]
Total							1,263,284,000
Inventories and supplies, Measurement Period Adjustment			5,037,000
Other current assets, Measurement Period Adjustment			319,000	[1]
Property, plant and equipment, Measurement Period Adjustment			779,000
Permits and other intangibles, Measurement Period Adjustment			4,577,000
Other assets, Measurement Period Adjustment			(1,111,000)
Current liabilities, Measurement Period Adjustment			(5,081,000)
Closure and post-closure liabilities, less current portion, Measurement Period Adjustments			8,221,000
Remedial liabilities, less current portion, Measurement Period Adjustments			(10,577,000)
Deferred taxes, unrecognized tax benefits and other long-term liabilities, Measurement Period Adjustments			7,178,000
Total identiiable net assets, Measurement Period Adjustments			9,342,000
Goodwill, Measurement Period Adjustments			(3,317,000)	[2]
Total, Measurement Period Adjustments			6,025,000
Preliminary fair value of customer receivables							133,700,000
Gross amounts of customer receivables							143,700,000
Business Acquisition, Pro Forma Information [Abstract]
Pro forma combined revenues		851,376,000			2,691,025,000
Pro forma combined net income		13,480,000			90,546,000
Unsecured Senior Notes 2021 [Member] | Senior Notes [Member]
Business Acquisition [Line Items]
Face amount of long-term debt issued in private offering						600,000,000
Stated interest rate						5.125%
Oil Re-Refining and Recycling [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Goodwill							214,100,000
S K Environmental Services [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Goodwill							147,300,000
Industrial and Field Services [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Goodwill							69,900,000
Technical Services [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Goodwill							2,100,000
Scenario, Previously Reported [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Inventories and supplies							102,339,000
Other current assets							152,245,000	[1]
Property, plant and equipment							514,712,000
Permits and other intangibles							421,400,000
Other assets							4,985,000
Current liabilities							(192,652,000)
Remedial liabilities, less current portion							(38,370,000)
Closure and post-closure liabilities, less current portion							(15,774,000)
Deferred taxes, unrecognized tax benefits and other long-term liabilities							(128,375,000)
Total identifiable net assets							820,510,000
Goodwill							436,749,000	[2]
Total							$ 1,257,259,000

[1] The fair value of the assets acquired includes customer receivables with a preliminary aggregate fair value of $133.7 million. Combined gross amounts due were $143.7 million.

[2] Goodwill represents the excess of the fair value of the net assets acquired over the purchase price. Goodwill of $214.1 million, $147.3 million, $69.9 million, and $2.1 million has been recorded on a preliminary basis in the Oil Re-refining and Recycling, SK Environmental Services, Industrial and Field Services and Technical Services segments, respectively. None of the goodwill related to this acquisition will be deductible for tax purposes.