Note 6 - Property, Plant and Equipment (Details Textual) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Jan. 31, 2021 |
Jan. 31, 2020 |
|
| Depreciation, Total | $ 6.9 | $ 6.5 |
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|