Leases - COVID-19 Impacts (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended |
|---|---|---|
Oct. 31, 2020 |
Oct. 31, 2020 |
|
| Leases | ||
| Rent abatements due to the number of leases renegotiated in response to the negative financial impacts of COVID-19 | $ 0.2 | $ 0.8 |