OTHER ACCRUED LIABILITIES

6 Months Ended

Jun. 30, 2019

A summary of other accrued liabilities as of June 30, 2019 and December 31, 2018 is as follows (in thousands):



	June 30, 2019		December 31, 2018
	(unaudited)
Payroll and other compensation expenses	$	41,819	$	47,988
Insurance accruals	12,076		16,001
Property, sales and other non-income related taxes	6,188		7,271
Lease commitments	34		1,145
Contract liabilities	1,738		1,784
Accrued commission	2,894		2,290
Accrued interest	5,167		5,261
Volume discount	3,680		4,322
Contingent consideration	—		429
Professional fees	1,166		1,219
Other	5,083		7,598
Total	$	79,845	$	95,308