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Accounting Policies (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Jan. 31, 2022
Accounting Policies (Details) [Line Items]          
Outbound Freight Charges $ 2,627,000 $ 1,561,000 $ 2,900,000 $ 7,156,000  
Income Taxes Paid     1.1 1.9  
Proceeds from Income Tax Refunds     0 $ 0  
Unrecognized Tax Benefits 16,827,000   16,827,000   $ 16,741,000
Income Tax Examination, Penalties and Interest Accrued 46,000   46,000   40,000
Inventory Write-down     $ 800,000   $ 500,000
Property, Plant and Equipment, Estimated Useful Lives     Property and Equipment Property and equipment is recorded at cost or the fair value on the date of acquisition (for property and equipment acquired in a business combination). Depreciation is computed using the straight-line method. Estimated useful lives are 15 to 40 years for buildings and improvements, and 3 to 20 years for fixtures and equipment. In accordance with ASC 360-10 “Impairment or Disposal of Long-Lived Assets”, the carrying value of long-lived assets is assessed for recoverability by management when changes in circumstances indicate that the carrying amount may not be recoverable. The Company did not identify any indicators of impairment during the first six months of fiscal year 2022 or 2021, thus there were no impairment charges in the first six months of fiscal year 2022 or 2021. The Company tests for recoverability of an asset group by comparing its carrying amount to its estimated undiscounted future cash flows. If the carrying amount exceeds its estimated undiscounted future cash flows, the Company recognizes an impairment charge for the amount by which the asset group’s carrying amount exceeds its fair value, if any.     
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%