Note 7 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	38.25%	38.25%	38.12%	38.25%
Unrecognized Tax Benefits (in Dollars)	$ 26.6		$ 26.6
Unrecognized Tax Benefits that Would Impact Effective Tax Rate (in Dollars)	17.3		17.3
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued (in Dollars)	$ 4.8		$ 4.8