|
Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2012
|
Jun. 30, 2011
|
|---|---|---|
| Cost: | ||
| Land | $ 7,473 | $ 7,497 |
| Buildings and improvements | 123,257 | 119,833 |
| Laboratory equipment | 31,658 | 30,315 |
| Office and computer equipment | 5,710 | 5,407 |
| Property, Plant and Equipment, Gross, Total | 168,098 | 163,052 |
| Accumulated depreciation and amortization | (74,310) | (67,654) |
| Property and equipment, net | $ 93,788 | $ 95,398 |