Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2014

Financial Instruments [Abstract]

Schedule of Long-Term Debt

Long-term debt, principally to banks and bondholders, consists of:

(in thousands, except interest rates)	September 30, 2014			December 31, 2013
Private placement with a fixed interest rate of 6.84%, due 2015 and 2017	$	100,000		$	100,000
Credit agreement with borrowings outstanding at an end of period interest rate of 2.62% in 2014 and 2.53% in 2013 (including the effect of interest rate hedging transactions, as described below), due in 2018		183,000			200,000
Various notes and mortgages relative to operations principally outside the United States, at an average end of period rate of 5.50% in 2014 and 3.10% in 2013, due in varying amounts through 2021		115			3,875
Long-term debt		283,115			303,875
Less: current portion		(15	)		(3,764	)
Long-term debt, net of current portion	$	283,100		$	300,111