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Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 12 Months Ended
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Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2011
Significant Accounting Policies [Line Items] |  |  |
Advertising expenses (including production and communication costs) | $ 3,200,000 | $ 3,400,000 | $ 2,900,000
Available-for-sale investments, maturities start | 3 months |  |
Available-for-sale investments, maturities end | 3 years |  |
Goodwill | 84,336,000 | 85,682,000 | 86,633,000
Equipment |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment useful life | 5 years |  |
Building, Building Improvements and Leasehold Improvements | Minimum |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment useful life | 5 years |  |
Building, Building Improvements and Leasehold Improvements | Maximum |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, plant and equipment useful life | 40 years |  |
Proteins and Antibodies |  |  |
Significant Accounting Policies [Line Items] |  |  |
Manufacturing costs for proteins and antibodies | $ 14,300,000 | $ 13,300,000 | $ 13,700,000

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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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=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition The aggregate costs incurred in the production of goods for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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