Segment and Major Customer Information (Detail) - Schedule of revenues by geographic area (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Sales Revenue Net	$ 34,635	$ 40,040	$ 74,841	$ 84,032
Americas [Member]
Sales Revenue Net	19,755	22,170	38,618	46,461
Japan [Member]
Sales Revenue Net	5,336	5,692	11,667	12,479
China [Member]
Sales Revenue Net	3,498	3,823	11,036	9,903
Europe [Member]
Sales Revenue Net	4,397	5,834	9,219	10,105
Pacific Rim [Member]
Sales Revenue Net	$ 1,649	$ 2,521	$ 4,301	$ 5,084