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Note 4 - Derivative Instrument Assets And Liabilities (Details) (Forward Contracts [Member], USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Note 4 - Derivative Instrument Assets And Liabilities (Details) [Line Items] |  |  |  |
Derivative, Notional Amount (in Dollars) | $ 18.1 |  | $ 18.1 |
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value |  | 20.2 |  | 20.2
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | (0.1) | (0.4) | (0.4) | (0.2)
Cash Flow Hedging [Member] |  |  |  |
Note 4 - Derivative Instrument Assets And Liabilities (Details) [Line Items] |  |  |  |
Derivative, Notional Amount (in Dollars) | $ 15.1 |  | $ 15.1 |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Definition Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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