GEOGRAPHIC INFORMATION, PRODUCT GROUPS AND CUSTOMER CONCENTRATION INFORMATION - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Geographic Information [Line Items]
Revenues	$ 139,335	$ 153,914	$ 294,933	$ 289,406
Asia-Pacific:
Geographic Information [Line Items]
Revenues	70,437	104,516	135,734	194,867
China
Geographic Information [Line Items]
Revenues	51,431	63,927	92,865	122,669
Thailand
Geographic Information [Line Items]
Revenues	11,938	32,184	30,013	54,130
Malaysia
Geographic Information [Line Items]
Revenues	1,334	5,377	3,420	11,704
Other Asia-Pacific
Geographic Information [Line Items]
Revenues	5,734	3,028	9,436	6,364
Americas:
Geographic Information [Line Items]
Revenues	44,396	31,560	116,803	57,314
United States
Geographic Information [Line Items]
Revenues	19,513	17,281	57,203	31,742
Mexico
Geographic Information [Line Items]
Revenues	21,645	8,068	51,131	17,359
Other Americas
Geographic Information [Line Items]
Revenues	3,238	6,211	8,469	8,213
EMEA:
Geographic Information [Line Items]
Revenues	22,960	15,890	38,756	33,747
Italy
Geographic Information [Line Items]
Revenues	12,311	6,718	19,237	16,024
Germany
Geographic Information [Line Items]
Revenues	3,336	3,088	7,391	6,377
Other EMEA
Geographic Information [Line Items]
Revenues	7,313	6,084	12,128	11,346
Japan
Geographic Information [Line Items]
Revenues	$ 1,542	$ 1,948	$ 3,640	$ 3,478