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Stockholders' Equity (Tables)

3 Months Ended

Jul. 31, 2015

Equity [Abstract]

Reconciliation of Net Income Amounts and Weighted Average Number of Common and Common Equivalent Shares Used to Determine Basic and Diluted Earnings per Share

The following table provides a reconciliation of the net income amounts and weighted average number of common and common equivalent shares used to determine basic and diluted earnings per share for the three months ended July 31, 2015 and 2014 (in thousands, except per share data):

	For the Three Months Ended July 31,
	2015														2014
	Net									Per Share					Net									Per Share
	Income					Shares				Amount					Income					Shares				Amount
Basic earnings	$		14,412				54,218			$		0.27			$		14,556				54,829			$		0.27
Effect of dilutive stock awards		—					1,259					(0.01	)			—					1,316					(0.01	)
Diluted earnings	$		14,412				55,477			$		0.26			$		14,556				56,145			$		0.26

Share Based Compensation Stock Options Activity

The number of shares and weighted average exercise prices of options for the three months ended July 31, 2015 and 2014 were as follows:

	For the Three Months Ended July 31,
	2015								2014
					Weighted-								Weighted-
					Average								Average
	Shares				Exercise Price				Shares				Exercise Price
Options outstanding, beginning of year		1,879,630			$	6.37				2,258,349			$	6.15
Exercised during the period		(132,599	)			4.78				(99,554	)			4.25
Options outstanding, end of period		1,747,031			$	6.49				2,158,795			$	6.24
Weighted average remaining contractual life	5.04 years								5.82 years
Options exercisable, end of period		1,745,865			$	6.48				1,892,631			$	6.23
Weighted average remaining contractual life	5.04 years								5.60 years

Summary of Activity in Unvested RSUs and PSUs

A summary of activity in unvested RSUs and PSUs for the three months ended July 31, 2015 and 2014 is as follows:

	For the Three Months Ended July 31,
	2015								2014
					Weighted								Weighted
	Total # of				Average				Total # of				Average
	Restricted				Grant Date				Restricted				Grant Date
	Stock Units				Fair Value				Stock Units				Fair Value
RSUs and PSUs outstanding, beginning of year		1,190,879			$	12.45				1,015,475			$	10.56
Awarded		245,594				14.27				164,600				13.00
Vested		(274,143	)			10.53				(117,004	)			10.76
Forfeited		(65,913	)			10.16				(3,699	)			10.98
RSUs and PSUs outstanding, end of period		1,096,417			$	13.36				1,059,372			$	11.93

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- References

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 260



-SubTopic 10



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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)



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- 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)



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