|
Business and Product Line Acquisitions - Additional Information (Detail) (USD $)
|
3 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Aug. 31, 2012
|
Aug. 31, 2011
|
Jun. 30, 2011
GeneSeek, Inc.
|
Apr. 01, 2010
GeneSeek, Inc.
|
May 31, 2012
GeneSeek, Inc.
|
May 31, 2011
GeneSeek, Inc.
|
Aug. 31, 2012
GeneSeek, Inc.
|
Apr. 01, 2010
GeneSeek, Inc.
Minimum
|
Apr. 01, 2010
GeneSeek, Inc.
Maximum
|
Jun. 30, 2011
GeneSeek, Inc.
First Year Contingent Payment
|
Jun. 30, 2011
GeneSeek, Inc.
Payment for Inventory Purchased and Other Liabilities
|
Jun. 21, 2011
VeroMara
|
May 01, 2012
Merial Limited.
|
|
| Business Acquisition [Line Items] | |||||||||||||
| Cash consideration for purchase of business | $ 14,050,000 | $ 813,000 | $ 3,200,000 | ||||||||||
| Contingent consideration potential payment | 7,000,000 | 200,000 | |||||||||||
| Allocation of purchase price for accounts receivable | 1,923,000 | ||||||||||||
| Allocation of purchase price for inventory | 1,512,000 | ||||||||||||
| Allocation of purchase price for fixed assets | 847,000 | 340,000 | |||||||||||
| Allocation of purchase price for current liabilities | 905,000 | ||||||||||||
| Allocation of purchase price for deferred tax liabilities | 2,530,000 | ||||||||||||
| Allocation of purchase price for contingent consideration potential payment | 3,583,000 | 4,370,000 | 1,408,000 | 600,000 | |||||||||
| Other intangible assets estimated lives (years) | 5 years | 20 years | |||||||||||
| Contingent consideration payment term | 3 years | ||||||||||||
| Change in purchase consideration | 13,000 | 26,000 | 787,000 | ||||||||||
| Contingent consideration payment | 1,856,000 | 1,263,000 | 1,537,000 | 319,000 | |||||||||
| Allocation of purchase price for contingent consideration potential payment, adjustment | 154,000 | ||||||||||||
| Estimated revenues from acquisitions | 800,000 | ||||||||||||
| Purchase price allocation for current assets | 335,000 | ||||||||||||
| Purchase price allocation for intangible assets | $ 3,125,000 | ||||||||||||