OTHER ACCRUED LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2017

Other Liabilities Disclosure [Abstract]

Schedule of other accrued liabilities

As of December 31, 2017 and 2016, other accrued liabilities were:

	2017		2016
Accrued and deferred compensation	$	23,916	$	22,572
Accrued benefits and workers' compensation claims	6,640		6,460
Other	6,115		6,028
TOTAL OTHER ACCRUED LIABILITIES	$	36,671	$	35,060