Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2013

Financial Instruments [Abstract]

Schedule of Long-Term Debt

Long-term debt consists of:

(in thousands, except interest rates)	September 30, 2013		December 31, 2012
Convertible notes, par value $28,437, issued in March 2006 with fixed contractual interest rates of 2.25%, due in 2026, redeemed March 2013	$	-	$28,261
Private placement with a fixed interest rate of 6.84%, due in 2013 through 2017	150,000		150,000
Credit agreement with borrowings outstanding at an end of period interest rate of 2.84% in 2013 and 3.92% in 2012, due in 2018	152,000		132,000
Various notes and mortgages relative to operations principally outside the United States, at an average end of period rate of 3.08% in 2013 and 3.06% in 2012, due in varying amounts through 2021	5,129		8,892
Long-term debt	307,129		319,153
Less: current portion	(55,014)		(83,276)
Long-term debt, net of current portion	$252,115		$235,877