Loss Per Share And Stockholders' Equity (Tables)

6 Months Ended

Oct. 31, 2012

Earnings Per Share And Equity [Line Items]

Computation Of Basic And Diluted Loss Per Share From Continuing Operations

						(in 000s, except per share amounts)
		Three months ended October 31,				Six months ended October 31,
		2012		2011		2012		2011
Net loss from continuing operations
attributable to shareholders	$	(101,199)	$	(123,013)	$	(206,849)	$	(242,168)
Amounts allocated to participating securities (nonvested shares)		64		62		137		176
Net loss from continuing operations attributable to common shareholders	$	(101,263)	$	(123,075)	$	(206,986)	$	(242,344)
Basic weighted average common shares		271,145		299,895		274,150		302,693
Potential dilutive shares		-		-		-		-
Dilutive weighted average common shares		271,145		299,895		274,150		302,693
Loss per share from continuing operations:
Basic	$	(0.37)	$	(0.41)	$	(0.76)	$	(0.80)
Diluted		(0.37)		(0.41)		(0.76)		(0.80)

Common Stock Retired [Member]

Earnings Per Share And Equity [Line Items]

Allocation Of Cost Of Shares Retired To Components Of Stockholders' Equity

		(in 000s)
Common stock	$	213
Additional paid-in capital		12,542
Retained earnings		302,245
	$	315,000

Treasury Stock Retired [Member]

Earnings Per Share And Equity [Line Items]

Allocation Of Cost Of Shares Retired To Components Of Stockholders' Equity

		(in 000s)
Common stock	$	600
Additional paid-in capital		35,400
Retained earnings		1,104,797
Total cost allocated		1,140,797
Less cost of treasury shares retired		(1,140,797)
Net impact on consolidated stockholders' equity	$	-