OTHER ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Other Liabilities Disclosure [Abstract]
Accrued and deferred compensation	$ 22,572	$ 18,784
Accrued benefit and workers' compensation claims	6,460	6,154
Other	6,028	6,190
Total	$ 35,060	$ 31,128