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Equity Compensation Plans (Tables)

12 Months Ended

May 31, 2016

Stock Option Activity

Qualified and non-qualified options to purchase shares of common stock may be granted to directors, officers and employees of the Company under the terms of the Company’s stock option plans. These options are granted at an exercise price of not less than the fair market value of the stock on the date of grant. Remaining shares available for grant under stock option plans were 2,457,000, 306,000 and 805,000 at May 31, 2016, 2015 and 2014, respectively. Options vest ratably over three and five year periods and the contractual terms are generally five or ten years.

(shares in thousands)		Shares				Weighted-Average Exercise Price				Weighted-Average Grant Date Fair  Value
Outstanding at May 31, 2013 (749 exercisable)			2,092				19.21				6.00
Granted			512				36.44				9.87
Exercised			(643	)			13.69				4.28
Forfeited			(92	)			22.08				6.65
Outstanding at May 31, 2014 (577 exercisable)			1,869				25.69				7.62
Granted			536				39.79				11.91
Exercised			(380	)			16.69				5.17
Forfeited			(37	)			33.55				9.45
Outstanding at May 31, 2015 (639 exercisable)			1,988				31.04				9.20
Granted			549				46.98				13.11
Exercised			(427	)			23.47				7.15
Forfeited			(29	)			38.57				11.14
Outstanding at May 31, 2016 (656 exercisable)			2,081				36.71				10.63

Summary of Stock Options Outstanding

The following is a summary of stock options outstanding at May 31, 2016:

(options in thousands)
		Options Outstanding												Options Exercisable
Range of Exercise price		Number				Average Remaining Contractual Life (in years)				Weighted-Average Exercise Price				Number				Weighted Average Exercise Price
$  6.01 - $28.26			277				1.8			$	20.67				209			$	19.88
28.27 - 32.37			321				2.1				28.67				173				28.67
32.38 - 38.03			408				2.6				36.07				156				36.07
38.04 - 43.75			532				4.1				39.88				118				40.10
43.76 - 47.12			543				4.9				46.99				0				—
			2,081				3.4				36.71				656				29.69

X

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Data Type:	nonnum:textBlockItemType
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Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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