Note 10 - Financial Guaranty Insurance Contracts Premium Receivable and Unearned Premium NPV and Accretion (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Premiums Earned Accretion	Jun. 30, 2011 Premiums Earned Accretion	Jun. 30, 2012 Premiums Earned Accretion	Jun. 30, 2011 Premiums Earned Accretion
Premiums receivable	$ 30.9	$ 34.3
Unearned premiums	35.8	39.8
Accretion of Premium Receivable and Unearned Premium			0.3	0.3	0.6	0.6
Financial Guarantee Insurance Contracts, Premium Receivable, Premium Expected to be Collected	$ 38.8
Premium Receivable, Weighted Average Risk Free Discount Rate	2.50%