Note 24 - Quarterly Results Of Operations (Unaudited) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended			3 Months Ended																																	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2013 Pre-Tax [Member] Payable to IRS Related to CBC [Member]	Mar. 31, 2013 Pre-Tax [Member] Payable to IRS Related to CBC [Member]	Dec. 31, 2012 Pre-Tax [Member] Payable to IRS Related to CBC [Member]	Sep. 30, 2012 Pre-Tax [Member] Payable to IRS Related to CBC [Member]	Jun. 30, 2012 Pre-Tax [Member] Payable to IRS Related to CBC [Member]	Mar. 31, 2012 Pre-Tax [Member] Payable to IRS Related to CBC [Member]	Dec. 31, 2011 Pre-Tax [Member] Payable to IRS Related to CBC [Member]	Sep. 30, 2011 Pre-Tax [Member] Payable to IRS Related to CBC [Member]	Jun. 30, 2013 Pre-Tax [Member]	Mar. 31, 2013 Pre-Tax [Member]	Sep. 30, 2012 Pre-Tax [Member]	Jun. 30, 2012 Pre-Tax [Member]	Mar. 31, 2012 Pre-Tax [Member]	Dec. 31, 2011 Pre-Tax [Member]	Jun. 30, 2013 After Tax [Member] Payable to IRS Related to CBC [Member]	Mar. 31, 2013 After Tax [Member] Payable to IRS Related to CBC [Member]	Dec. 31, 2012 After Tax [Member] Payable to IRS Related to CBC [Member]	Sep. 30, 2012 After Tax [Member] Payable to IRS Related to CBC [Member]	Jun. 30, 2012 After Tax [Member] Payable to IRS Related to CBC [Member]	Mar. 31, 2012 After Tax [Member] Payable to IRS Related to CBC [Member]	Dec. 31, 2011 After Tax [Member] Payable to IRS Related to CBC [Member]	Sep. 30, 2011 After Tax [Member] Payable to IRS Related to CBC [Member]	Jun. 30, 2013 After Tax [Member] Cellulosic Biofuel Credit [Member]	Sep. 30, 2012 After Tax [Member] Cellulosic Biofuel Credit [Member]	Jun. 30, 2012 After Tax [Member] Cellulosic Biofuel Credit [Member]	Dec. 31, 2011 After Tax [Member] Cellulosic Biofuel Credit [Member]	Sep. 30, 2011 After Tax [Member] Cellulosic Biofuel Credit [Member]	Jun. 30, 2013 After Tax [Member]	Mar. 31, 2013 After Tax [Member]	Sep. 30, 2012 After Tax [Member]	Jun. 30, 2012 After Tax [Member]	Mar. 31, 2012 After Tax [Member]	Dec. 31, 2011 After Tax [Member]	Jun. 30, 2013 Cellulosic Biofuel Credit [Member]	Jun. 30, 2012 Cellulosic Biofuel Credit [Member]
Note 24 - Quarterly Results Of Operations (Unaudited) (Details) [Line Items]
Restructuring Costs	$ 855	$ 7,796												$ 304		$ 963		$ 234															$ 297		$ 626		$ 152
Interest Expense, Other						45	45	45	196	32	646	186	2,673							29	29	29	125	20	412	119	1,706
Income Tax Expense (Benefit)			39,607	45,011	(8,233)																							1,064	5,651	1,870	3,467	12,887							4,586	9,040
Impairment of Long-Lived Assets Held-for-use	701	2,890															328	93	1,673																	213	60	1,083
Gain (Loss) on Disposition of Assets for Financial Service Operations			7,346												7,597																			7,509
Business Combination, Acquisition Related Costs														5,527																			3,581
Goodwill, Impairment Loss				$ 2,425															$ 2,425																			$ 2,425