TRANSACTIONS WITH STOCKHOLDER (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Percentage Of Stockholder Ownership	7.00%								7.00%
Revenue, Net	$ 44,333	$ 38,472	$ 40,040	$ 43,992	$ 42,686	$ 40,235	$ 36,086	$ 31,119	$ 166,837	$ 150,126	$ 101,330
Accounts Receivable, Net, Current	31,601				31,424				31,601	31,424
Trade Accounts Receivable [Member] | Canon Inc [Member]
Accounts Receivable, Net, Current	1,604				2,572				1,604	2,572
Japan And Subsidiary Of Canon Inc [Member]
Revenue, Net									$ 16,810	$ 19,697	$ 8,809
Percentage Of Net Revenues									10.00%	13.00%	9.00%