Segment and Major Customer Information (Detail) - Schedule of revenues by geographic area (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Sales Revenue Net	$ 34,533	$ 38,472	$ 109,374	$ 122,504
Americas [Member]
Sales Revenue Net	18,744	18,270	57,361	64,730
Japan [Member]
Sales Revenue Net	6,728	7,228	18,395	19,707
China [Member]
Sales Revenue Net	2,619	5,288	13,655	15,191
Europe [Member]
Sales Revenue Net	4,914	5,093	14,134	15,199
Pacific Rim [Member]
Sales Revenue Net	$ 1,528	$ 2,593	$ 5,829	$ 7,677