Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities consist of the following balances:

	December 31,
(in thousands)	2015		2014
Salaries, wages and bonuses	$	19,270	$	20,635
Warranty	5,566		5,913
State taxes	2,180		3,997
Other	11,125		10,457
	$	38,141	$	41,002