IMPACT OF NEW ACCOUNTING PRONOUNCEMENTS - Allowance for Expected Credit Losses (Details) - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019
Impact of New Accounting Pronouncements
Balance, beginning of period	$ 1,813
Provision for expected credit losses	10,663	$ 728
Uncollectible accounts written off, net of recoveries	221
Balance, end of period	15,218
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2016-13
Impact of New Accounting Pronouncements
Balance, beginning of period	$ 2,521