Loss Per Share And Stockholders' Equity (Tables)

3 Months Ended

Jul. 31, 2012

Computation Of Basic And Diluted Loss Per Share From Continuing Operations

	(in 000s, except per share amounts)
Three months ended July 31,	2012			2011
Net loss from continuing operations attributable to shareholders	$	(105,650	)	$	(119,155	)
Amounts allocated to participating securities (nonvested shares)		(73	)		(114	)
Net loss from continuing operations attributable to common shareholders	$	(105,723	)	$	(119,269	)
Basic weighted average common shares		277,155			305,491
Potential dilutive shares		—			—
Dilutive weighted average common shares		277,155			305,491
Loss per share from continuing operations:
Basic	$	(0.38	)	$	(0.39	)
Diluted		(0.38	)		(0.39	)

Common Stock Retired [Member]

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

	(in 000s)
Common stock	$	213
Additional paid-in capital		12,578
Retained earnings		302,209
	$	315,000

Treasury Stock Retired [Member]

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

	(in 000s)
Common stock	$	600
Additional paid-in capital		36,000
Retained earnings		1,104,197
	$	1,140,797