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BUSINESS COMBINATIONS
 3 Months Ended
Mar. 31, 2016
Business Combinations [Abstract]  
BUSINESS COMBINATIONS
BUSINESS COMBINATIONS
2016 Acquisition
    
On February 3, 2016, the Company purchased an oil re-refinery facility located in Nevada from Vertex Energy, Inc. for a purchase price of $35.0 million in cash, subject to customary post-closing adjustments. The acquired facility further expands the Company's re-refinery network within its Kleen Performance Products segment.

2015 Acquisitions

Thermo Fluids Inc.

On April 11, 2015, the Company completed the acquisition of Heckmann Environmental Services, Inc. (“HES”) and Thermo Fluids Inc. (“TFI”), a wholly-owned subsidiary of HES. The acquisition was accomplished through a purchase by Safety-Kleen, Inc., a wholly-owned subsidiary of the Company, of all of the issued and outstanding shares of HES from Nuverra Environmental Solutions, Inc. HES is a holding company that does not conduct any operations. TFI provides environmental services, including used oil recycling, used oil filter recycling, antifreeze products, parts washers and solvent recycling, and industrial waste management services, including vacuum services, remediation, lab pack and hazardous waste management. The Company acquired TFI for a purchase price of $79.3 million. The acquisition was financed with cash on hand and expands the Company’s environmental services customer base while also complimenting the SK Environmental Services network and presence in the western United States. The amount of revenue from TFI included in the Company's results of operations for the three months ended March 31, 2016 was $7.8 million. Results of TFI since acquisition have been included within the SK Environmental Services segment.

The allocation of the purchase price was based on estimates of the fair value of assets acquired and liabilities assumed as of April 11, 2015. The Company believes that such information provides a reasonable basis for estimating the fair values of assets acquired and liabilities assumed. The Company has finalized the purchase accounting for the acquisition of TFI. The impact of the purchase price measurement period adjustments and related tax impacts recorded in the current period was not material to the consolidated financial statements and accordingly the effects have not been retrospectively applied.

The following table summarizes the recognized amounts of assets acquired and liabilities assumed at April 11, 2015 (in thousands):
 
At acquisition date April 11, 2015
 
Measurement Period Adjustments
 
At acquisition date as reported
March 31, 2016
Accounts receivable
$
7,109

 
$
192

 
$
7,301

Inventories and supplies
1,791

 
—

 
1,791

Prepaid and other current assets
1,749

 
(1,084
)
 
665

Property, plant and equipment
30,468

 
(2,827
)
 
27,641

Permits and other intangibles
20,000

 
(1,900
)
 
18,100

Current liabilities
(5,859
)
 
(25
)
 
(5,884
)
Closure and post-closure liabilities
(1,676
)
 
(657
)
 
(2,333
)
Deferred taxes, unrecognized tax benefits and other long-term liabilities
(13,081
)
 
3,907

 
(9,174
)
Total identifiable net assets
40,501

 
(2,394
)
 
38,107

Goodwill
36,591

 
4,638

 
41,229

Total
$
77,092

 
$
2,244

 
$
79,336


Pro forma revenue and earnings amounts on a combined basis as if TFI had been acquired on January 1, 2015 are immaterial to the consolidated financial statements of the Company since that date.
Other 2015 Acquisition

In December 2015, the Company acquired certain assets and assumed certain defined liabilities of a privately owned company for approximately $14.7 million in cash. That company specializes in the collection and recycling of used oil filters and was a service provider to the SK Environmental Services segment prior to the acquisition. The acquired company has been integrated into the SK Environmental Services segment. In connection with this acquisition a preliminary goodwill amount of $7.4 million was recognized.