Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment (Detail)

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Property and Equipment (Detail) (USD $)
In Thousands
Sep. 30, 2011
Jun. 30, 2011
Cost:    
Land $ 7,464 $ 7,497
Buildings and improvements 120,366 119,833
Laboratory equipment 30,269 30,315
Office equipment 5,506 5,407
Property, Plant and Equipment, Gross, Total 163,605 163,052
Accumulated depreciation and amortization 69,253 67,654
Property and equipment, net $ 94,352 $ 95,398