Property and equipment (Tables)

9 Months Ended

Mar. 31, 2012

Property and equipment consist of (in thousands):


	March 31,			June 30,
	2012			2011
Cost:
Land	$	7,494		$	7,497
Buildings and improvements		122,731			119,833
Laboratory equipment		31,503			30,315
Office equipment		5,754			5,407

		167,482			163,052
Accumulated depreciation and amortization		(72,868	)		(67,654	)

	$	94,614		$	95,398