OTHER LONG-TERM LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2014

Other Liabilities Disclosure [Abstract]

Schedule of other long-term liabilities

Other long-term liabilities consisted of the following:

	December 31, 2014		December 31, 2013
Defined benefit pension plan liabilities	$	40,142	$	28,300
Post retiree medical plan	14,740		8,225
Environmental liabilities and other	7,870		9,952
	$	62,752	$	46,477