Note 1 - Derivative Instruments Measured at Fair Value (Details) - Cash Flow Hedging [Member] - Foreign Exchange Forward [Member] - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Foreign exchange forward contract derivatives in cash flow hedging relationships - included in other current assets and accrued expenses and other liabilities	$ 35,271	$ 36,070
Foreign exchange forward contract derivatives in cash flow hedging relationships - included in other current assets and accrued expenses and other liabilities	$ 893
Foreign exchange forward contract derivatives in cash flow hedging relationships - included in other current assets and accrued expenses and other liabilities		$ (331)