Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit)	$ 4,338	$ 5,037	$ 8,329	$ (444)
Discontinued Operation, Tax Effect of Discontinued Operation	$ 4,927	$ 985	$ 12,566	4,863
CARES Act Net Operating Loss Carryback [Member]
Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability				$ 1,800

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details