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Note 11 - Derivative financial instruments (Detail) - Outstanding Foreign Currency Forward Contracts (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2012
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Canadian Dollar [Member]
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| Foreign Currency Amount | CAD 12,500 |
| Notional Contract Value in USD | $ 12,045 |
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Mexican Peso [Member]
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| Foreign Currency Amount | MXN 171,282 |
| Notional Contract Value in USD | $ 12,900 |
| X | ||||||||||
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- Definition
Notional Amount Of Foreign Currency Derivative Purchase Contracts Foreign Currency Amount No definition available.
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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