Business combination recognized identifiable assets acquired and liabilities assumed other receivables.

No definition available.

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- Definition

Amount of increase (decrease) in the value of right to a contingent consideration asset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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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

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

-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 asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

+ Details

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- Definition

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

+ Details

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- Definition

Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

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- Definition

Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

+ References

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

+ Details

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- Definition

The amount of inventory recognized as of the acquisition date.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

+ References

+ Details

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Period Type:	instant

- 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.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of payments made reducing loss contingency liability.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

+ References

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ 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

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

-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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Business and Product Line Acquisitions - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended					1 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014	Jan. 02, 2014	Nov. 01, 2013	Oct. 01, 2014	Dec. 08, 2014	Jul. 01, 2013	Aug. 31, 2014
Business Acquisition [Line Items]
Reversed the remaining contingent consideration accrual to other income	$ (84,000)	$ 0	$ (297,000)	$ 0
Chem Tech Ltd
Business Acquisition [Line Items]
Cash consideration for purchase of business					17,185,000
Contingent consideration potential payment					1,000,000
Purchase price allocation for accounts receivable					380,000
Purchase price allocation for inventory					4,184,000
Purchase price allocation for property and equipment					807,000
Purchase price allocation for current liabilities					184,000
Allocation of purchase price for contingent consideration potential payment					390,000
Purchase price allocation for intangible assets					8,327,000
Purchase price allocation for prepaid assets					100,000
Cash recorded for contingent consideration					84,000
Chem Tech Ltd \| Minimum
Business Acquisition [Line Items]
Finite lived intangible assets, useful life					5 years
Chem Tech Ltd \| Maximum
Business Acquisition [Line Items]
Finite lived intangible assets, useful life					25 years
Prima Tech Incorporated
Business Acquisition [Line Items]
Cash consideration for purchase of business						12,068,000
Contingent consideration potential payment						600,000
Purchase price allocation for accounts receivable						963,000
Purchase price allocation for inventory						2,796,000
Purchase price allocation for property and equipment						1,653,000
Purchase price allocation for current liabilities						1,840,000
Allocation of purchase price for contingent consideration potential payment						146,000
Purchase price allocation for intangible assets						4,400,000
Purchase price allocation for prepaid assets						8,000
Cash recorded for contingent consideration						454,000
Prima Tech Incorporated \| Minimum
Business Acquisition [Line Items]
Finite lived intangible assets, useful life						5 years
Prima Tech Incorporated \| Maximum
Business Acquisition [Line Items]
Finite lived intangible assets, useful life						15 years
Prima Tech Incorporated \| Trademarks
Business Acquisition [Line Items]
Purchase price allocation for non-amortizable trademarks						1,500,000
BioLumix, Inc.
Business Acquisition [Line Items]
Cash consideration for purchase of business							4,514,000
Purchase price allocation for accounts receivable							499,000
Purchase price allocation for inventory							421,000
Purchase price allocation for property and equipment							159,000
Purchase price allocation for current liabilities							130,000
Purchase price allocation for intangible assets							2,109,000
Purchase price allocation for prepaid assets							48,000
Purchase price allocation for other receivable							178,000
Purchase price allocation for long-term liabilities							813,000
BioLumix, Inc. \| Minimum
Business Acquisition [Line Items]
Finite lived intangible assets, useful life							5 years
BioLumix, Inc. \| Maximum
Business Acquisition [Line Items]
Finite lived intangible assets, useful life							15 years
Beijing Anapure BioScientific Co., Ltd.
Business Acquisition [Line Items]
Cash consideration for purchase of business								2,040,000
Purchase price allocation for inventory								525,000
Purchase price allocation for property and equipment								64,000
Purchase price allocation for intangible assets								20,000
Finite lived intangible assets, useful life								5 years
SyrVet, Inc.
Business Acquisition [Line Items]
Cash consideration for purchase of business									10,012,000
Contingent consideration potential payment									1,500,000
Purchase price allocation for accounts receivable									747,000
Purchase price allocation for inventory									2,195,000
Purchase price allocation for property and equipment									556,000
Purchase price allocation for current liabilities									226,000
Allocation of purchase price for contingent consideration potential payment									930,000
Purchase price allocation for intangible assets									4,810,000
Finite lived intangible assets, useful life									15 years
Cash paid for contingent consideration										689,000
Reversed the remaining contingent consideration accrual to other income										241,000
SyrVet, Inc. \| Trademarks
Business Acquisition [Line Items]
Purchase price allocation for non-amortizable trademarks									$ 790,000