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Accounting Policies (Details) - USD ($)	3 Months Ended	6 Months Ended		12 Months Ended
	Jul. 31, 2025	Jul. 31, 2025	Jul. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Accounting Policies (Details) [Line Items]
Income Taxes Paid		$ 3,100,000	$ 2,300,000
Proceeds from Income Tax Refunds		0	0
Unrecognized Tax Benefits	$ 18,991,000	18,991,000	$ 18,979,000	$ 18,978,000	$ 18,965,000
Income Tax Examination, Penalties and Interest Accrued	111,000	111,000		99,000
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 18,800,000	$ 18,800,000
Inventory Write-down				100,000
Property, Plant and Equipment, Depreciation Method [Extensible Enumeration]	Depreciation is computed using the straight-line method	Depreciation is computed using the straight-line method
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%
Minimum [Member] | Building and Building Improvements [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	15 years	15 years
Minimum [Member] | Furniture and Fixtures [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	3 years	3 years
Maximum [Member] | Building and Building Improvements [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	40 years	40 years
Maximum [Member] | Furniture and Fixtures [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	40 years	40 years
Approximation [Member]
Accounting Policies (Details) [Line Items]
Unrecognized Tax Benefits	$ 18,900,000	$ 18,900,000		$ 18,900,000

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