Net (Loss) Income Per Common Share (Tables)

6 Months Ended

Jan. 31, 2012

Net (Loss) Income Per Common Share [Abstract]

Reconciliations of the numerator and denominator of the basic and diluted per share

		September 30,			September 30,			September 30,			September 30,
	Three Months Ended January 31,						Six Months Ended January 31,
	2012			2011			2012			2011
Numerator: (in thousands)
Net (loss) income	$	(89,954	)	$	24,199		$	(57,222	)	$	50,480
Less:
Restricted stock dividends		(57	)		(56	)		(115	)		(112	)
Numerator for basic and diluted Class A net (loss) income per share	$	(90,011	)	$	24,143		$	(57,337	)	$	50,368
Less:
Preferential dividends		—			—			(818	)		(820	)
Preferential dividends on dilutive stock options		—			—			(5	)		(6	)
Numerator for basic and diluted Class B net (loss) income per share	$	(90,011	)	$	24,143		$	(58,160	)	$	49,542
Denominator: (in thousands)
Denominator for basic net (loss) income per share for both Class A and Class B		52,447			52,593			52,552			52,521
Plus: Effect of dilutive stock options		—			460			—			411
Denominator for diluted net (loss) income per share for both Class A and Class B	$	52,447		$	53,053		$	52,552		$	52,932
Class A Nonvoting Common Stock net (loss) income per share:
Basic	$	(1.72	)	$	0.46		$	(1.09	)	$	0.96
Diluted	$	(1.72	)	$	0.46		$	(1.09	)	$	0.95
Class B Voting Common Stock net (loss) income per share:
Basic	$	(1.72	)	$	0.46		$	(1.11	)	$	0.94
Diluted	$	(1.72	)	$	0.46		$	(1.11	)	$	0.94