Stock-Based Compensation (Tables)

12 Months Ended

May 31, 2013

Stock-Based Compensation

Assumptions used in the Black-Scholes option pricing model to estimate the fair value of each stock option grant

	Stock Options Granted In Fiscal Year
	2013			2012			2011
Risk-free interest rate		0.6	%		1.5	%		1.8	%
Expected volatility of common stock		51.4	%		46.1	%		47.0	%
Dividend yield		2.3	%		1.1	%		0.0	%
Expected option term in years		5.4			5.7			5.8

Summary of stock option activity

A summary of stock option activity for the three years ended May 31, 2013 follows (shares in thousands):

	2013					2012					2011
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Outstanding at beginning of year		1,703		$	17.96		1,994		$	18.56		1,543		$	19.28
Granted		972		$	12.95		169		$	28.45		721		$	17.54
Exercised		(124	)	$	13.72		(339	)	$	19.95		(128	)	$	15.85
Cancelled		(251	)	$	15.82		(121	)	$	19.73		(142	)	$	21.79
Outstanding at end of year		2,300		$	16.22		1,703		$	17.96		1,994		$	18.56
Options exercisable at end of year		1,089		$	17.73		880		$	17.10		935		$	19.40

Schedule of additional information regarding stock options outstanding

The following table provides additional information regarding stock options outstanding as of May 31, 2013 (shares in thousands):

	Options Outstanding						Options Exercisable
Option Exercise Price Range	Number Outstanding as of 5/31/13		Weighted-Average Remaining Contractual Life in Years		Weighted- Average Exercise Price		Number Exercisable as of 5/31/13		Weighted- Average Exercise Price
$  6.50 - $15.00		937		8.8	$	12.74		40	$	9.09
$15.01 - $20.00		1,138		6.5	$	16.49		903	$	16.25
$20.01 - $34.50		225		6.5	$	29.33		146	$	29.29
		2,300		7.4	$	16.22		1,089	$	17.73

Schedule of restricted share activity

Restricted share activity during the fiscal year ended May 31, 2013, is as follows (shares in thousands):

	Number of Shares			Weighted Average Fair Value on Grant Date
Nonvested at May 31, 2012		1,577		$	22.65
Granted		167		$	12.61
Vested		(326	)	$	20.21
Forfeited		(165	)	$	21.08
Nonvested at May 31, 2013		1,253		$	22.91