OTHER LONG-TERM LIABILITIES

12 Months Ended

Dec. 31, 2015

Other Liabilities Disclosure [Abstract]

OTHER LONG-TERM LIABILITIES

OTHER LONG-TERM LIABILITIES

Other long-term liabilities consisted of the following:

	December 31, 2015		December 31, 2014
Defined benefit pension plan liabilities	$	42,509	$	40,142
Post retiree medical plan	17,729		14,740
Environmental liabilities and other	8,189		7,727
Other	182		—
	$	68,609	$	62,609