Note 13 - Income Taxes (Tables)

9 Months Ended

Mar. 31, 2012

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Three Months Ended March 31						Nine Months Ended March 31
	2012			2011			2012			2011
Expected tax expense at 35%	$	13,614		$	14,519		$	24,024		$	30,414
Cellulosic biofuel credits		-			-			(9,420	)		(51,624	)
Loss on Americana investment		-			-			(6,567	)		-
Energy investment tax credits		(1,070	)		(794	)		(2,724	)		(2,462	)
Change in valuation allowance		752			488			613			2,183
Other		(244	)		(1,424	)		1,200			(1,785	)
Income tax (benefit) expense	$	13,052		$	12,789		$	7,126		$	(23,274	)