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Note 10 - Derivative Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Nov. 30, 2011
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Gain (Loss) on Foreign Currency Derivatives Recorded in Earnings, Net	$ 0.1	$ 0.1
Derivative Asset, Notional Amount			$ 83.0
Fair Value Hierarchy, Number of Tiers	3

Aggregate impact of foreign currency derivatives on earnings for the period. Includes impact of foreign currency cash flow hedge ineffectiveness and the ineffectiveness of fair value hedging derivatives and full change in fair value of the foreign currency derivatives not designated as hedging instruments.

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