Other Long-Term Liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Other Liabilities Disclosure [Abstract]

Other Long-Term Liabilities

Other long-term liabilities consist of the following:

	March 31, 2015		December 31, 2014
	(in thousands)
Environmental	$	7,195	$	7,384
Unrecognized tax benefits, interest and penalties		558		549
Long-term incentive plan		431		558
Acquisition earn-out, long-term		216		288
Other long-term liabilities	$	8,400	$	8,779