Note 4 Fair Value (Narratives) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Mar. 31, 2013
Auction Market Preferred Securities [Abstract]
Collateralized Asset Value Exceeding Value of ARPS Percentage	300.00%
Auction Rate Preferred Securities, Credit Ratings	AAA
Auction Rate Preferred Securities, Percentage Collateralized	100.00%
Debt Instrument [Line Items]
Debt, Fair Value	$ 51.5	$ 21.4