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v3.20.1

RELATED PARTY TRANSACTIONS - Textuals (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2020 | Oct. 31, 2019 | Jul. 31, 2019 | Apr. 30, 2019 | Jan. 31, 2019 | Oct. 31, 2018 | Jul. 31, 2018 | Apr. 30, 2018 | Jan. 31, 2020 | Jan. 31, 2019 | Jan. 31, 2018
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 754,617 | $ 1,128,403 | $ 643,892 | $ 633,552 | $ 766,785 | $ 1,072,982 | $ 624,698 | $ 611,743 | $ 3,160,464 | $ 3,076,208 | $ 2,806,938
KLNA |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |
Royalty and advertising expense |  |  |  |  |  |  |  |  | $ 6,800 | 6,400 | $ 4,800
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 |  |  |  |  |  |  |  |  | $ 4,400 |  |
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% |  |  |  |  |  |  |  | 49.00% |  |

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