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Derivatives (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Derivative financial instruments on consolidated balance sheets
Derivative Assets	$ 8,660	$ 0
Derivative Liabilities	0	2,373
Foreign exchange contracts
Derivative financial instruments on consolidated balance sheets
Derivative Assets	8,660	0
Derivative Liabilities	0	1,342
Cash flow interest rate swap
Derivative financial instruments on consolidated balance sheets
Derivative Assets	0	0
Derivative Liabilities	$ 0	$ 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