Debt (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Debt

Debt consisted of the following at March 31, 2013:

	March 31, 2013
	U.S. Dollar		Other Principal Trading Currencies			Total
6.30% $100 million senior notes	$	100,000	$	—		$	100,000
3.67% $50 million senior notes	50,000		—			50,000
Credit facility	241,526		30,387			271,913
Other local arrangements	—		17,959			17,959
Total debt	391,526		48,346			439,872
Less: current portion	—		(17,959		)	(17,959		)
Total long-term debt	$	391,526	$	30,387		$	421,913