Note 10 - Derivative Financial Instruments (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Aug. 31, 2011
Gain (Loss) on Foreign Currency Derivatives Recorded in Earnings, Net	$ 0.1	$ 0.1
Deferred Tax Liabilities, Other Comprehensive Income	0.6	0.3
Notional Amount of Interest Rate Derivatives	$ 83.0		$ 83.0