Other Long-Term Liabilities (Tables)

9 Months Ended

Sep. 30, 2013

Other Liabilities Disclosure [Abstract]

Other Long-Term Liabilities

Other long-term liabilities consist of the following:

	September 30, 2013		December 31, 2012
	(in thousands)
Environmental	$	17,200	$	19,033
Unrecognized tax benefits, interest and penalties		916		657
Long-term incentive plan		329		220
Acquisition earn-out, long-term		25		57
Other long-term liabilities	$	18,470	$	19,967