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

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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.

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

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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.

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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.

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

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

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

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The amount of inventory recognized as of the acquisition date.

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

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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.

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No definition available.

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Amount of payments made reducing loss contingency liability.

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

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-Glossary Investing Activities

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Business and Product Line Acquisitions - Additional Information (Detail) (USD $)	3 Months Ended		0 Months Ended	1 Months Ended		0 Months Ended		0 Months Ended			0 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Jul. 01, 2013 SyrVet, Inc.	Aug. 31, 2014 SyrVet, Inc.	Jul. 01, 2013 SyrVet, Inc. Trademarks	Nov. 01, 2013 Prima Tech Incorporated	Nov. 01, 2013 Prima Tech Incorporated	Nov. 01, 2013 Prima Tech Incorporated Minimum	Nov. 01, 2013 Prima Tech Incorporated Maximum	Nov. 01, 2013 Prima Tech Incorporated Trademarks	Jan. 02, 2014 Chem Tech Ltd	Jan. 02, 2014 Chem Tech Ltd	Jan. 02, 2014 Chem Tech Ltd Trademarks
Business Acquisition [Line Items]
Cash consideration for purchase of business			$ 10,012,000			$ 12,068,000					$ 17,185,000
Contingent consideration potential payment			1,500,000				600,000					1,000,000
Purchase price allocation for accounts receivable			747,000				963,000					380,000
Purchase price allocation for inventory			2,195,000				2,796,000					4,096,000
Purchase price allocation for property and equipment			556,000				1,653,000					682,000
Purchase price allocation for current liabilities			226,000				1,840,000					184,000
Allocation of purchase price for contingent consideration potential payment			930,000				146,000					400,000
Purchase price allocation for non-amortizable trademarks					790,000					1,500,000			662,000
Purchase price allocation for intangible assets			4,810,000				4,400,000					7,536,000
Finite lived intangible assets, useful life			15 years					5 years	15 years		15 years
Cash paid for contingent consideration				689,000
Reversed the remaining contingent consideration accrual to other income	241,000	0		241,000
Purchase price allocation for prepaid assets							$ 8,000					$ 225,000