INCOME TAXES - OTHER (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 27, 2020	Jun. 29, 2019
Operating Loss Carryforwards [Line Items]
Valuation allowances	$ 137,862	$ 127,807
Foreign Tax Authority \| Minimum
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward period	17 years

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

Name:	us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant