Segment Information - Schedule of Segment Results (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 30, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Revenue:
Revenue	$ 14,260	$ 15,121	$ 14,588	$ 13,571	$ 13,695	$ 10,943	$ 10,808	$ 11,370	$ 57,540	$ 46,816	$ 66,219
Operating income (loss):
Operating income (loss)									(347)	(10,376)	(3,137)
Operating expenses									(26,967)	(29,496)	(31,137)
Restructuring charges, net										(785)	(1,256)
Amortization of other intangible assets									(244)	(411)	(466)
Impairment of goodwill and other intangible assets										(1,708)
Interest income (expense), net									5	(37)	(250)
Other income									2	71
Currency exchange gain (loss)									350	(3)	(732)
Income (loss) before income taxes									10	(10,345)	(4,119)
Operating Segments [Member]
Operating income (loss):
Operating income (loss)									9,623	1,426	12,298
Segment Reconciling Items [Member]
Operating income (loss):
Operating expenses									(9,726)	(8,898)	(13,713)
Robotics [Member] | Operating Segments [Member]
Revenue:
Revenue									45,084	36,353	54,815
Operating income (loss):
Operating income (loss)									4,987	(2,389)	9,461
Services and Support [Member] | Operating Segments [Member]
Revenue:
Revenue									12,456	10,463	11,404
Operating income (loss):
Operating income (loss)									$ 4,636	$ 3,815	$ 2,837