ACQUISITIONS (Tables)

12 Months Ended

Dec. 31, 2018

Business Combinations [Abstract]

Schedule of assets acquired and liabilities

The fair values of major classes of assets acquired and liabilities assumed along with the contingent consideration liability recorded during the valuation period of acquisition is included in the reconciliation of the total consideration as follows (in thousands):

December 31,	2018			2017
Accounts receivable	$	3,558		$	3,836
Materials and supplies		556			312
Equipment and property		7,374			3,027
Goodwill		25,605			87,261
Customer contracts		62,228			60,695
Other intangible assets		6,936			20,086
Current liabilities		(21,536	)		(30,344	)
Other assets and liabilities, net		(3,089	)		1,209
Total consideration paid		81,632			146,082
Less: Contingent consideration liability		(4,863	)		(15,893	)
Total cash purchase price	$	76,769		$	130,189