Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2013

Financial Instruments [Abstract]

Schedule of Long-Term Debt

Long-term debt consists of:

(in thousands, except interest rates)	June 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 2.75% in 2013 and 3.92% in 2012,  due in 2018		164,000			132,000
Various notes and mortgages relative to operations principally outside the United States, at an average end of period rate of 3.07% in 2013 and 3.06% in 2012, due in varying amounts through 2021		6,382			8,892
Long-term debt		320,382			319,153
Less: current portion		(55,014	)		(83,276	)
Long-term debt, net of current portion	$	265,368		$	235,877