Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Financial Instruments [Abstract]

Schedule of Long-Term Debt

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

(in thousands, except interest rates)	2013		2012
Private placement with a fixed interest rate of 6.84%, $50,000 paid in October 2013, remaining due 2015 through 2017	$100,000		$150,000
Credit agreement with borrowings outstanding at an end of period interest rate of 2.53% in 2013 and 3.92% in 2012 (including the effect of interest rate hedging transactions, as described below), due in 2018	200,000		132,000
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
Various notes and mortgages relative to operations principally outside the United States, at an average end of period rate of 3.10% in 2013 and 3.06% in 2012, due in varying amounts through 2021	3,875		8,892
Long-term debt	303,875		319,153
Less: current portion	(3,764	)	(83,276	)
Long-term debt, net of current portion	$300,111		$235,877