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Goodwill and Intangible Assets (Tables)

6 Months Ended

Nov. 30, 2012

Goodwill and Intangible Assets [Abstract]

Goodwill by segment

Balance, May 31, 2012		$	308,912
Adjustments to purchase price			(1,741	)
Goodwill acquired from Vortex			30,019
Balance, November 30, 2012		$	337,190

Intangible assets

		November 30,2012
		Gross carrying value				Accumulated amortization				Net carrying value				Weighted avg useful life
						(in thousands)								(years)
Product technologies		$	140,324			$	(21,949	)		$	118,375				13.3
Customer relationships			82,216				(26,344	)			55,872				14.8
Trademark-NAMIC			28,600				—				28,600				Indefinite
In-process R&D acquired			3,000				—				3,000				Indefinite
Licenses			6,302				(4,093	)			2,209				8.8
Trademarks			4,575				(568	)			4,007				9.9
Distributor relationships			1,140				(900	)			240				2.6
		$	266,157			$	(53,854	)		$	212,303

		May 31, 2012
		Gross carrying value				Accumulated amortization				Net carrying value				Weighted avg useful life
						(in thousands)								(years)
Customer relationships		$	82,205			$	(22,123	)		$	60,082				11.7
Product technologies			55,540				(18,839	)			36,701				11.3
Trademark-NAMIC			28,600				—				28,600				Indefinite
In-process R&D acquired			15,042				—				15,042				Indefinite
Licenses			6,152				(3,711	)			2,441				9.1
Trademarks			4,575				(375	)			4,200				7.3
Distributor relationships			1,140				(940	)			200				2.6
		$	193,254			$	(45,988	)		$	147,266

X

- Definition

Schedule of intangible assets.

+ References

No definition available.

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 47

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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