Segment Information - Additional Information (Detail)	3 Months Ended								12 Months Ended
	Jun. 30, 2015 USD ($)	Mar. 28, 2015 USD ($)	Dec. 27, 2014 USD ($)	Sep. 27, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 29, 2014 USD ($)	Dec. 28, 2013 USD ($)	Sep. 28, 2013 USD ($)	Jun. 30, 2015 USD ($) Segment	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | Segment									2
Revenue	$ (13,882,000)	$ (14,114,000)	$ (11,797,000)	$ (14,402,000)	$ (14,260,000)	$ (15,121,000)	$ (14,588,000)	$ (13,571,000)	$ (54,195,000)	$ (57,540,000)	$ (46,816,000)
Inter-segment [Member]
Segment Reporting Information [Line Items]
Revenue									$ 0