Financial Information Relating to Reportable Segments (Detail) (USD $) In Thousands	3 Months Ended
Sep. 30, 2011	Sep. 30, 2010
Segment Reporting Information [Line Items]
External sales	$ 77,596	$ 67,945
Earnings before income taxes	40,500	38,953
Biotechnology
Segment Reporting Information [Line Items]
External sales	72,303	63,041
Earnings before income taxes	39,984	38,460
Hematology
Segment Reporting Information [Line Items]
External sales	5,293	4,904
Earnings before income taxes	1,918	1,922
Reportable Segment
Segment Reporting Information [Line Items]
Earnings before income taxes	41,902	40,382
Unallocated Amount to Segment
Segment Reporting Information [Line Items]
Earnings before income taxes	$ (1,402)	$ (1,429)

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 10

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 5

-Section 03

-Paragraph 1

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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