GEOGRAPHIC INFORMATION, PRODUCT GROUPS AND CUSTOMER CONCENTRATION INFORMATION - Revenues by Product Group (Details) - USD ($) $ in Thousands	3 Months Ended
Oct. 01, 2016	Sep. 26, 2015
Segment Information [Line Items]
Revenues	$ 135,492	$ 87,550
100 Gb/s transmission modules
Segment Information [Line Items]
Revenues	97,771	40,828
40 Gb/s and lower transmission modules
Segment Information [Line Items]
Revenues	$ 37,721	$ 46,722

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration