Note 12 - Income Taxes Unrecognized Tax Benefits (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, period of recognition	12 months
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized Tax Benefits - Begin	$ 7.1	$ 8.1	$ 8.1
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	0	0	0
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	0	(1.0)	0
Unrecognized Tax Benefits - End	$ 7.1	$ 7.1	$ 8.1