Derivative Financial Instruments - (Tables)

3 Months Ended

Mar. 31, 2013


	March 31, 2013
	Notional	Latest
	Amount	Maturity

Foreign exchange contracts - Norwegian Kroners	6,883	February-14
Foreign exchange contracts - British Pounds	1,161	February-14
Foreign exchange contracts - Euros	14,470	February-14
Foreign exchange contracts - Swiss Francs	20,110	February-14
Foreign exchange contracts - Canadian Dollars	8,750	February-14
Foreign exchange contracts - Japanese Yen	553,175	February-14







	December 31, 2012
	Notional	Latest
	Amount	Maturity

Foreign exchange contracts - Norwegian Kroners	7,131	February-14
Foreign exchange contracts - British Pounds	1,452	February-14
Foreign exchange contracts - Euros	17,186	February-14
Foreign exchange contracts - Swiss Francs	23,838	February-14
Foreign exchange contracts - Canadian Dollars	10,499	February-14


	Classification	March 31, 2013		December 31, 2012

Derivative instruments in asset positions:
Forward exchange contracts	Prepaid and other current assets	$	1,467	$	680

Derivative instruments in liability positions:
Forward exchange contracts	Accounts payable and accrued liabilities	$	258	$	918