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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023	Jan. 31, 2024
Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit)	$ 4,489	$ 3,768	$ 8,179	$ 5,756
Other Assets [Member]
Income Taxes (Details) [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	16,400		16,400		$ 16,400
Other Noncurrent Liabilities [Member]
Income Taxes (Details) [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	600		600		600
Refundable Income Taxes [Member]
Income Taxes (Details) [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 2,000		$ 2,000		$ 2,000

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