Note 12 - Notes Payable (Details) - Medium Term Note Repayments (USD $) In Millions, unless otherwise specified	1 Months Ended
	Jun. 30, 2014	Oct. 31, 2013	Jun. 30, 2013	Jan. 31, 2013
Medium-term Note 2 [Member]
Note 12 - Notes Payable (Details) - Medium Term Note Repayments [Line Items]
Repaid Amount	$ 194.6
Interest Rate	4.82%
Senior Note 3 [Member]
Note 12 - Notes Payable (Details) - Medium Term Note Repayments [Line Items]
Repaid Amount	100.0
Interest Rate	5.95%
Medium-term Note 1 [Member]
Note 12 - Notes Payable (Details) - Medium Term Note Repayments [Line Items]
Repaid Amount		100.0
Interest Rate		5.19%
Senior Note 1 [Member]
Note 12 - Notes Payable (Details) - Medium Term Note Repayments [Line Items]
Repaid Amount			75.0
Interest Rate			4.70%
Senior Note 2 [Member]
Note 12 - Notes Payable (Details) - Medium Term Note Repayments [Line Items]
Repaid Amount				$ 100.0
Interest Rate				6.125%