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Acquisitions - Additional Information (Detail) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2012 Non-compete agreement | Jun. 30, 2011 Boston Biochem | Apr. 01, 2011 Boston Biochem Developed technology | Apr. 01, 2011 Boston Biochem Trade names | Apr. 01, 2011 Boston Biochem Non-compete agreement | Apr. 01, 2011 Boston Biochem Customer relationships | Jun. 30, 2011 Tocris | Apr. 28, 2011 Tocris Developed technology | Apr. 28, 2011 Tocris Trade names | Apr. 28, 2011 Tocris Customer relationships
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Acquired intangible assets |  |  | $ 1,900,000 | $ 1,700,000 | $ 400,000 | $ 300,000 |  | $ 25,300,000 | $ 16,500,000 | $ 6,600,000
Acquired intangible assets, useful life (in years) | 5 years |  | 12 years | 12 years | 5 years | 12 years |  | 15 years | 10 years | 13 years
Business acquisition, transaction costs |  | $ 148,000 |  |  |  |  | $ 1,600,000 |  |  |

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- Definition The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 59 -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. + Details
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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. + Details
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