COMMITMENTS and CONTINGENCIES (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	87 Months Ended
Nov. 30, 2018	Oct. 27, 2018	Jan. 25, 2020
Commitments and Contingencies Disclosure [Abstract]
Insurance Recoveries	$ 415	$ 415	$ 3,998

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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