Note 14 - Subsequent Events (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended				0 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jul. 15, 2013 Subsequent Event [Member] Tranche I [Member]	Jul. 15, 2013 Subsequent Event [Member] Tranche II [Member]	Aug. 06, 2013 Subsequent Event [Member]	Jul. 15, 2013 Subsequent Event [Member]
Note 14 - Subsequent Events (Details) [Line Items]
Dividends, Common Stock							$ 1.8
Common Stock, Dividends, Per Share, Declared (in Dollars per share)	$ 0.04	$ 0.04	$ 0.04	$ 0.04			$ 0.04
Line of Credit Facility, Amount Outstanding					$ 82.6	$ 180.0		$ 263.0
Debt Instrument, Interest Rate, Stated Percentage	7.00%		7.00%					6.31%