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Accounting Policies (Details) - USD ($)	3 Months Ended		12 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Jan. 31, 2022
Accounting Policies (Details) [Line Items]
Outbound Freight Charges	$ 273,000	$ 5,596,000
Income Taxes Paid	0	0
Proceeds from Income Tax Refunds	0	$ 0
Unrecognized Tax Benefits	16,827,000		$ 16,741,000
Income Tax Examination, Penalties and Interest Accrued	42,000		40,000
Inventory Write-down	$ 500,000		$ 500,000
Building and Building Improvements [Member] | Minimum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	15
Building and Building Improvements [Member] | Maximum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	40 years
Fixtures And Equipment [Member] | Minimum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	3
Fixtures And Equipment [Member] | Maximum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	20 years
Provision for Income Taxes [Member]
Accounting Policies (Details) [Line Items]
Unrecognized Tax Benefits	$ 16,700,000
Cost of Sales [Member]
Accounting Policies (Details) [Line Items]
Maximum Percentage of Equity Ownership Interest Which May be Considered for Equity Method of Accounting	20.00%

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The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Amount of unrecognized tax benefits.

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