|
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 | ||||||||