Stock-Based Compensation (Tables)

12 Months Ended

Apr. 30, 2011

Stock-Based Compensation

Summary of Stock Options

(in 000s, except per share amounts)
						Weighted-Average
				Weighted-Average		Remaining		Aggregate
	Shares			Exercise Price		Contractual Term		Intrinsic Value
Outstanding, beginning of the year		15,082		$	20.58
Granted		2,080			13.29
Exercised		(338	)		10.64
Forfeited or expired		(6,034	)		22.17
Outstanding, end of the year		10,790		$	18.64		4 years	$	9,224
Exercisable, end of the year		8,122		$	19.95		2 years	$	1,318
Exercisable and expected to vest		10,650			18.71		4 years		8,666

Assumptions Used to Value Options

Year Ended April 30,	2011		2010		2009
Options – management and director:
Expected volatility		28.98% - 30.20%		27.11% - 27.27%		23.41% - 25.20%
Expected term		5 years		5 years		4years
Dividend yield		4.18% - 5.17%		3.24% - 3.55%		2.35% - 3.04%
Risk-free interest rate		1.26% - 1.92%		2.38% - 2.75%		2.54% - 3.26%
Weighted-average fair value	$	2.25	$	3.27	$	3.80
Options – seasonal:(1)
Expected volatility				33.81%		25.35%
Expected term				2 years		2 years
Dividend yield				3.48%		2.80%
Risk-free interest rate				0.85%		2.54%
Weighted-average fair value			$	2.70	$	2.83
ESPP options:
Expected volatility		22.75% - 23.31%		23.68% - 43.20%		29.13% - 43.82%
Expected term		0.5years		0.5 years		0.5 years
Dividend yield		3.86% - 4.80%		2.65% - 3.46%		2.67% - 2.78%
Risk-free interest rate		0.19% - 0.23%		0.20% - 0.33%		0.27% - 2.13%
Weighted-average fair value	$	2.16	$	3.66	$	4.38

⁽¹⁾ This plan was terminated in fiscal year 2010, except for outstanding awards thereunder.

Summary of Nonvested Shares and Performance Nonvested Share Units

	(shares in 000s)
				Weighted-Average
				Grant Date
	Shares			Fair Value
Outstanding, beginning of the year		1,619		$	19.55
Granted		745			12.56
Released		(632	)		20.20
Forfeited		(232	)		17.61
Outstanding, end of the year		1,500		$	15.92