Note 7 - Investments Realized Gain (Loss) on Sale of Available For Sale Securities (Details) (USD $)	12 Months Ended			3 Months Ended
	Dec. 31, 2011 years	Dec. 31, 2010	Dec. 31, 2009	Jun. 30, 2011 Categories of Investments, Marketable Securities, Available-for-sale Securities [Member]
Gain (Loss) on Investments [Line Items]
Numer Of States Included In The Master Settlement Agreement With Domestic Tobacco Manufacturers		46
Available-for-sale Securities, Gross Realized Gain (Loss)				$ 53,700,000
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds	$ 136,217,000	$ 1,218,460,000	$ 2,463,626,000	$ 94,300,000
Number Of Classes Of Tobacco Bonds Moodys Took Rating Actions On		67
Number Of Transactions Within The Classes Of Tobacco Bonds Moodys Took Rating Actions On		19
Number Of Years Since April 2011 That Master Settlement Agreement Payments Have Been At Their Lowest Levels	5