Note 8 - Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	38.10%	38.10%	38.10%	38.10%
Unrecognized Tax Benefits (in Dollars)	$ 30.6		$ 30.6
Unrecognized Tax Benefits that Would Impact Effective Tax Rate (in Dollars)	19.9		19.9
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued (in Dollars)	$ 4.2		$ 4.2