Note 7 - Derivative Instruments (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Foreign Exchange Contract [Member] | Derivative Assets Reported in Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Fair Value of Derivative Contracts:
Derivative Assets	$ 235	$ 35,853
Foreign Exchange Contract [Member] | Derivatives Liabilities Reported in Other Current Liabilities [Member] | Designated as Hedging Instrument [Member]
Fair Value of Derivative Contracts:
Derivative Liabilities	21,300	4,162
Foreign Exchange Contract [Member] | Derivative Assets Reported in Other Current Assets [Member] | Not Designated as Hedging Instrument [Member]
Fair Value of Derivative Contracts:
Derivative Assets	8,964	1,343
Foreign Exchange Contract [Member] | Derivatives Liabilities Reported in Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Fair Value of Derivative Contracts:
Derivative Liabilities	9,448	801
Derivative Assets Reported in Other Current Assets [Member] | Not Designated as Hedging Instrument [Member] | Embedded Derivative Financial Instruments [Member]
Fair Value of Derivative Contracts:
Derivative Assets	8,540	0
Derivatives Liabilities Reported in Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Embedded Derivative Financial Instruments [Member]
Fair Value of Derivative Contracts:
Derivative Liabilities	0	0
Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member] | Derivative Assets Reported in Other Current Assets [Member]
Fair Value of Derivative Contracts:
Derivative Assets	17,739	37,196
Estimate of Fair Value, Fair Value Disclosure [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member] | Derivatives Liabilities Reported in Other Current Liabilities [Member]
Fair Value of Derivative Contracts:
Derivative Liabilities	30,748	4,963
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member] | Derivative Assets Reported in Other Current Assets [Member]
Fair Value of Derivative Contracts:
Derivative Assets	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Contract [Member] | Derivative Assets Reported in Other Current Assets [Member]
Fair Value of Derivative Contracts:
Derivative Assets	$ 17,739	$ 37,196