OTHER ACCRUED LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2018

Payables and Accruals [Abstract]

Summary of Other Accrued Liabilities

A summary of other accrued liabilities as of March 31, 2018 and December 31, 2017 is as follows (in thousands):

	March 31, 2018		December 31, 2017
	(unaudited)
Payroll and other compensation expenses	$	50,272	$	40,988
Insurance accruals	14,790		15,799
Property, sales and other non-income related taxes	4,685		6,483
Lease commitments	1,399		1,616
Contract liabilities	3,799		6,102
Accrued commission	1,263		1,473
Accrued interest	2,632		5,950
Volume discount	2,684		1,545
Contingent consideration	616		1,246
Professional fees	1,784		1,098
Other	9,056		10,172
Total	$	92,980	$	92,472