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RELATED PARTY TRANSACTIONS - Textuals (Details) - USD ($) $ in Thousands	3 Months Ended								11 Months Ended	12 Months Ended
	Jan. 31, 2021	Oct. 31, 2020	Jul. 31, 2020	Apr. 30, 2020	Jan. 31, 2020	Oct. 31, 2019	Jul. 31, 2019	Apr. 30, 2019	Nov. 30, 2020	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Related Party Transaction [Line Items]
Revenues	$ 526,242	$ 826,561	$ 297,212	$ 405,131	$ 754,617	$ 1,128,403	$ 643,892	$ 633,552		$ 2,055,146	$ 3,160,464	$ 3,076,208
KLNA
Related Party Transaction [Line Items]
Royalty and advertising expense										$ 3,500	6,800	6,400
KLNA | KLNA
Related Party Transaction [Line Items]
Percent of interest acquired in joint venture	49.00%									49.00%
Fabco
Related Party Transaction [Line Items]
Inventory sold to related party										$ 2,700	4,400
Revenue from related party									$ 900
Revenues											3,100	$ 2,200
Prepaid expenses					500						500
Due to related party					$ 100						$ 100
Fabco | Fabco
Related Party Transaction [Line Items]
Percentage of ownership interest									49.00%

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