Stock-Based Compensation (Tables)

12 Months Ended

May. 31, 2015

	Stock Options Granted In Fiscal Year
	2014			2013
Risk-free interest rate		1.4	%		0.6	%
Expected volatility of common stock		49.1	%		51.4	%
Dividend yield		1.2	%		2.3	%
Expected option term in years		5.2			5.4

A summary of stock option activity for the three years ended May 31, 2015 consisted of the following (shares in thousands):

	2015					2014					2013
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Outstanding at beginning of year		2,753		$	19.59		2,300		$	16.22		1,703		$	17.96
Granted		—		$	—		1,033		$	25.43		972		$	12.95
Exercised		(793	)	$	15.98		(473	)	$	16.20		(124	)	$	13.72
Cancelled		(103	)	$	21.03		(107	)	$	18.48		(251	)	$	15.82

Outstanding at end of year		1,857		$	21.05		2,753		$	19.59		2,300		$	16.22


Options exercisable at end of year		627		$	21.78		1,019		$	17.88		1,089		$	17.73

The following table provides additional information regarding stock options outstanding as of May 31, 2015 (shares in thousands):

	Options Outstanding						Options Exercisable
Option Exercise Price Range	Number Outstanding as of 5/31/15		Weighted-Average Remaining Contractual Life in Years		Weighted- Average Exercise Price		Number Exercisable as of 5/31/15		Weighted- Average Exercise Price
$10.00 - $15.00		564		7.1	$	12.90		94	$	12.90
$15.01 - $20.00		226		4.7	$	16.79		220	$	16.81
$20.01 - $34.50		1,067		7.5	$	26.26		313	$	27.94

		1,857		7.1	$	21.05		627	$	21.78

Restricted share activity during the fiscal year ended May 31, 2015 was as follows (shares in thousands):

	Number of Shares			Weighted Average Fair Value on Grant Date
Nonvested at May 31, 2014		990		$	22.49
Granted		331		$	25.86
Vested		(178	)	$	19.20
Forfeited		(89	)	$	20.21

Nonvested at May 31, 2015		1,054		$	24.38