Note 13 - Income Taxes Effect of Unrecognized Tax Benefits on Consolidated Balance Sheets and Results of Operations (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Effect of Unrecognized Tax Benefits on Balance Sheets and Results of Operations [Line Items]
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 61.1
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	60.9
Unrecognized Tax Benefits, Interest and Penalties Charged to Income	$ 2.5	$ 5.4	$ (0.8)