Derivative Financial Instruments - (Tables)

12 Months Ended

Dec. 31, 2012


	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

	December 31, 2011
	Notional	Latest
	Amount	Maturity

Foreign exchange contracts - Norwegian Kroners	3,633	September-12
Foreign exchange contracts - British Pounds	1,632	February-13
Foreign exchange contracts - Euros	14,937	February-13
Foreign exchange contracts - Swiss Francs	24,225	February-13
Foreign exchange contracts - Canadian Dollars	9,141	March-13


	Classification	December 31, 2012		December 31, 2011

Derivative instruments in asset positions:
Forward exchange contracts	Prepaid and other current assets	$	680	$	842

Derivative instruments in liability positions:
Forward exchange contracts	Accounts payable and accrued liabilities	$	918	$	156