Note 8 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	38.10%	38.25%
Unrecognized Tax Benefits	$ 30.4
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	19.8
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 4.6