Income Taxes (Gross Operating Loss Carry Forwards And Tax Credit Carry Forwards) (Detail) (USD $) In Thousands, unless otherwise specified									12 Months Ended
	Jun. 30, 2011 Federal Research And Development	Jun. 30, 2011 State	Jun. 30, 2011 Foreign	Jun. 30, 2011 Indefinite Foreign	Jun. 30, 2012 Federal Research And Development Credits	Jun. 30, 2012 State Tax Credits	Jun. 30, 2012 Foreign Tax Credits	Jun. 30, 2012 Minimum	Jun. 30, 2012 Minimum Federal Research And Development	Jun. 30, 2012 Minimum State	Jun. 30, 2012 Minimum Foreign	Jun. 30, 2012 Minimum Federal	Jun. 30, 2012 Minimum State	Jun. 30, 2012 Minimum Foreign	Jun. 30, 2012 Maximum Federal Research And Development	Jun. 30, 2012 Maximum State	Jun. 30, 2012 Maximum Foreign	Jun. 30, 2012 Maximum Federal	Jun. 30, 2012 Maximum State	Jun. 30, 2012 Maximum Foreign
Operating Loss Carryforwards [Line Items]
Federal research and development credits					$ 1,729	$ 1,301	$ 1,128
Tax credit carryforwards									June 2019	June 2013	June 2019				June 2030	June 2027	June 2022
Loss carryforwards-federal	$ 14,035	$ 4,161	$ 1,591	$ 1,548
Loss carryforwards												June 2024	June 2013	June 2016				June 2029	June 2032	June 2019
Loss carryforwards-foreign								Indefinite