GEOGRAPHIC INFORMATION, PRODUCT GROUPS AND CUSTOMER CONCENTRATION INFORMATION - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 26, 2015	Dec. 27, 2014
Geographic Information [Line Items]
Revenues	$ 94,129	$ 86,820	$ 181,679	$ 176,061
China
Geographic Information [Line Items]
Revenues	35,179	25,531	68,235	46,253
United States
Geographic Information [Line Items]
Revenues	16,916	13,386	29,967	27,923
Mexico
Geographic Information [Line Items]
Revenues	14,196	10,899	26,534	22,890
Malaysia
Geographic Information [Line Items]
Revenues	8,307	13,761	16,160	29,461
Italy
Geographic Information [Line Items]
Revenues	6,818	6,768	13,889	10,903
Germany
Geographic Information [Line Items]
Revenues	4,010	6,233	8,952	14,387
Japan
Geographic Information [Line Items]
Revenues	1,344	1,704	2,966	5,448
Rest of world
Geographic Information [Line Items]
Revenues	$ 7,359	$ 8,538	$ 14,976	$ 18,796