Note 4 - Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Intangible Asset, Finite-Lived, Amortization Expense	$ 21,537	$ 29,875	$ 51,098	$ 59,981
Intangible Asset, Excluding Goodwill, Impairment Loss	$ 0		$ 0

Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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+ Details