Note 15 - Share-Based and Other Compensation Plans (Unrecognized Compensation Expense) (Details) (Equity Compensation Plan, 1995 and 2008 [Member], Scenario, Forecast [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Equity Compensation Plan, 1995 and 2008 [Member] | Scenario, Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense related to unvested portion of all stock-based awards	$ 31.9	$ 22.4	$ 7.4
Unrecognized compensation expense weighted average recognition period (in years)	2 years