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Risk Management and Derivatives (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Derivative financial instruments on consolidated balance sheets
Derivative Assets	$ 0
Derivative Liabilities	2,373	223
Foreign exchange contracts
Derivative financial instruments on consolidated balance sheets
Derivative Assets	0
Derivative Liabilities	1,342	223
Cash flow interest rate swap
Derivative financial instruments on consolidated balance sheets
Derivative Assets	0
Derivative Liabilities	$ 1,031

Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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- Definition

Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References+ Details