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3. Foreign Exchange Forward Contracts (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended
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Sep. 30, 2012
Contracts maturing in October through December 2012 to sell foreign currency |
Notional value | $ 54.7
Unrealized loss | 0.1
Contracts maturing in October through December 2012 to purchase foreign currency |
Notional value | 376.2
Unrealized loss | $ 0.1

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- Definition Unrealized Loss (Gain) on Foreign Currency Derivative Sale Contracts + References No definition available. + Details
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- Definition Aggregate notional amount of foreign currency derivatives to purchase a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 + Details
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