Segment and Major Customer Information (Detail) - Schedule of revenues by geographic area (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Sales Revenue Net	$ 40,206	$ 43,992
Americas [Member]
Sales Revenue Net	18,863	24,293
Japan [Member]
Sales Revenue Net	6,331	6,786
China [Member]
Sales Revenue Net	7,538	6,080
Europe [Member]
Sales Revenue Net	4,822	4,271
Pacific Rim [Member]
Sales Revenue Net	$ 2,652	$ 2,562