Loss Per Share And Stockholders' Equity (Tables)

6 Months Ended

Oct. 31, 2011

Earnings Loss Per Share And Stockholders' Equity [Abstract]

Computation Of Basic And Diluted Earnings Per Share From Continuing Operations

					(in 000s, except per share amounts)
		Three months ended October 31,						Six months ended October 31,
		2011			2010			2011			2010
Net loss from continuing operations attributable to shareholders	$	(123,013	)	$	(111,444	)	$	(242,168	)	$	(239,252	)
Amounts allocated to participating securities (nonvested shares)		62			(26	)		176			(7	)
Net loss from continuing operations attributable to common
shareholders	$	(123,075	)	$	(111,418	)	$	(242,344	)	$	(239,245	)
Basic weighted average common shares		299,895			306,804			302,693			313,247
Potential dilutive shares		—			—			—			—
Dilutive weighted average common shares		299,895			306,804			302,693			313,247
Loss per share from continuing operations:
Basic	$	(0.41	)	$	(0.36	)	$	(0.80	)	$	(0.77	)
Diluted		(0.41	)		(0.36	)		(0.80	)		(0.77	)

Components Of Stockholders' Equity

		(in 000s)
Common stock	$	130
Additional paid-in capital		7,826
Retained earnings		169,548
	$	177,504