Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)	12 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Trademarks	Dec. 31, 2012 License Agreement	Jun. 30, 2013 Purchased Licenses And Technologies	Jun. 30, 2013 Customer Relationships	Jun. 30, 2013 Rules-Based Medicine, Inc
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill Acquired	$ 56,850,000	$ 56,850,000					$ 56,850,000
Impairment of goodwill							0
Estimated useful life			15 years
Impairment charges of intangible assets	$ 1,490,000			$ 1,490,000
Weighted average remaining amortization period					10 years	10 years