Loss Per Share And Stockholders' Equity (Tables)

9 Months Ended

Jan. 31, 2012

Loss Per Share And Stockholders' Equity [Abstract]

Computation Of Basic And Diluted Loss Per Share From Continuing Operations

			(in 000s, except per share  amounts)
	Three months ended January 31,		Nine months ended January 31,
	2012	2011	2012	2011
Net loss from continuing operations attributable to shareholders	$ (3,567 )	$ (11,034 )	$ (245,735 )	$ (250,286 )
Amounts allocated to participating securities (nonvested shares)	24	(148 )	(152 )	(142 )
Net loss from continuing operations attributable to common shareholders	$ (3,543 )	$ (11,182 )	$ (245,887 )	$ (250,428 )
Basic weighted average common shares	292,963	305,144	299,450	310,546
Potential dilutive shares	—	—	—	—
Dilutive weighted average common shares	292,963	305,144	299,450	310,546
Loss per share from continuing operations:
Basic	$ (0.01 )	$ (0.04 )	$ (0.82 )	$ (0.80 )
Diluted	(0.01 )	(0.04 )	(0.82 )	(0.80 )

Components Of Stockholders' Equity

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