SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Sabbatical Leave (Details) - USD ($) $ in Millions	Feb. 02, 2019	Feb. 03, 2018
Sabbatical Leave
Accrued liability	$ 2.4	$ 3.6

Amount of liability accrued for the employer's obligation related to an employee's right to receive compensation during a future sabbatical leave. This amount does not include amounts accrued for the employee's future vacation and holidays.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6409733&loc=d3e19366-108361

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6409733&loc=d3e19437-108361

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