Goodwill, Business Acquisition and Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2012

Goodwill, Business Acquisition and Other Intangible Assets [Abstract]

Summary of purchased technology

	June 30,
	2011			2012
Purchased technology	$	8,971		$	8,971
Accumulated amortization		(7,358	)		(7,886	)
	$	1,613		$	1,085