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Accounting Policies (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jan. 31, 2023
Accounting Policies (Details) [Line Items]
Income Taxes Paid	$ 6,400	$ 1,100
Proceeds from Income Tax Refunds	0	$ 0
Unrecognized Tax Benefits	19,034		$ 19,034
Income Tax Examination, Penalties and Interest Accrued	57		55
Inventory Write-down	$ 200		700
Provision for Income Taxes [Member]
Accounting Policies (Details) [Line Items]
Unrecognized Tax Benefits			$ 18,900
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%
Building and Building Improvements [Member] | Minimum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	15 years
Building and Building Improvements [Member] | Maximum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	40 years
Fixtures And Equipment [Member] | Minimum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Fixtures And Equipment [Member] | Maximum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	20 years

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Maximum percentage of equity ownership interest which may be considered for equity method of accounting.

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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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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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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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