Income Taxes (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 31, 2021 |
Oct. 31, 2020 |
Oct. 31, 2021 |
Oct. 31, 2020 |
|
| Provision for income taxes | $ 3,139,000 | $ 1,622,000 | $ 6,272,000 | $ 4,356,000 |
| Effective tax rate | (2.60%) | (2.30%) | (1.40%) | (3.80%) |
| Unrecognized tax benefits which would impact the effective tax rate if recognized | $ 2,200,000 | $ 2,200,000 | ||
| Liability pertaining to uncertain tax positions | 500,000 | 500,000 | ||
| Japan | ||||
| Deferred tax valuation allowance | $ 0 | $ 0 | ||
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|