REVENUE Deferred Revenue (Details) - USD ($) |
6 Months Ended | ||
|---|---|---|---|
Jul. 31, 2022 |
Jul. 31, 2021 |
Jan. 31, 2022 |
|
| Deferred Revenue Arrangement [Line Items] | |||
| Deferred Revenue, Revenue Recognized | $ 105,100,000 | $ 50,800,000 | |
| Deferred Revenue from Contracts with Customers [Member] | |||
| Deferred Revenue Arrangement [Line Items] | |||
| Deferred Revenue | $ 90,700,000 | $ 132,200,000 | |