Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities

(in thousands)	2015		2014
Salaries and wages		$17,621		$19,229
Accrual for compensated absences		9,564		11,330
Employee benefits		10,880		11,525
Pension liability - current portion		2,110		2,141
Postretirement medical benefits - current portion		4,660		4,750
Returns and allowances		14,024		17,265
Interest		942		2,052
Restructuring costs		6,856		1,873
Dividends		5,443		5,098
Workers' compensation		2,086		2,502
Billings in excess of revenue recognized		2,903		2,024
Professional fees		2,093		2,051
Utilities		779		962
Other		11,824		12,347
Total		$91,785		$95,149