The remaining cash due at period end related to a business acquisition.

No definition available.

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- Definition

Business Combination Recognized Identifiable Assets Acquired And Liabilities Entity Cash Paid

+ References

No definition available.

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- Definition

The amount of liability arising from an inherited contingency (as defined) which has been recognized as of the acquisition date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

-URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

+ References

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date to an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a specified period of time.

+ References

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: 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=35741047&loc=d3e13816-109267

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-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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Acquisitions - Additional Information (Detail) (USD $)	6 Months Ended		12 Months Ended	1 Months Ended
Acquisitions - Additional Information (Detail) (USD $)	Nov. 30, 2014	Nov. 30, 2013	May 31, 2013	Aug. 15, 2013	May 31, 2014	May 31, 2012
Business Acquisition [Line Items]
Goodwill acquired	$ 360,473,000us-gaap_Goodwill		$ 355,637,000us-gaap_Goodwill		$ 360,473,000us-gaap_Goodwill	$ 309,091,000us-gaap_Goodwill
Estimated useful life			3 years
Upfront payment included in total estimated purchase consideration	250,000	150,000
Minimum [Member]
Business Acquisition [Line Items]
Estimated useful life	3 years
Maximum [Member]
Business Acquisition [Line Items]
Estimated useful life	15 years
Clinical Devices B.V [Member]
Business Acquisition [Line Items]
Cash payments at closing total				3,700,000
Business acquisition purchase price holdback amount				400,000
Total purchase				8,700,000
Present value of contingent consideration liability				5,000,000
Goodwill acquired				4,800,000
Intangible assets other than goodwill				5,100,000
Deferred tax liability				1,200,000
In Process Research and Development [Member] \| Clinical Devices, B.V. [Member]
Business Acquisition [Line Items]
Intangible assets other than goodwill				3,600,000
Customer Relationships [Member]
Business Acquisition [Line Items]
Estimated useful life	12 years		11 years 10 months 24 days
Customer Relationships [Member] \| Clinical Devices B.V [Member]
Business Acquisition [Line Items]
Estimated useful life				15 years
Customer Relationships [Member] \| Clinical Devices, B.V. [Member]
Business Acquisition [Line Items]
Finite-Lived Customer Relationships, Gross				1,400,000
Trademarks [Member]
Business Acquisition [Line Items]
Estimated useful life	8 years		8 years
Trademarks [Member] \| Clinical Devices B.V [Member]
Business Acquisition [Line Items]
Estimated useful life				5 years
Trademarks [Member] \| Clinical Devices, B.V. [Member]
Business Acquisition [Line Items]
Acquired finite lived intangible assets				70,000