Accounting Policies (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021	Jan. 31, 2022
Accounting Policies (Details) [Line Items]
Outbound Freight Charges	$ 2,463,000	$ 210,000	$ 5,363,000	$ 7,366,000
Income Taxes Paid			2,200,000	2,800,000
Proceeds from Income Tax Refunds			0	0
Unrecognized Tax Benefits		$ 16,825,000		$ 16,825,000	$ 16,741,000
Income Tax Examination, Penalties and Interest Accrued	50,000		50,000		40,000
Inventory Write-down			400,000		$ 500,000
Government Assistance, Amount			$ 7,800,000
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		$ 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%