Quarterly report [Sections 13 or 15(d)]

Note 3 - Intangible Assets (Details Textual)

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Note 3 - Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2025
Oct. 31, 2024
Oct. 31, 2025
Oct. 31, 2024
Jan. 31, 2025
Amortization of Intangible Assets $ 32,068 $ 31,826 $ 95,120 $ 95,197  
Impairment of Intangible Assets (Excluding Goodwill) 0        
Goodwill, Impairment Loss 20,771 $ 0 20,771 $ 0  
Goodwill 296,300   296,300   $ 317,071
Global Knowledge Segment [Member]          
Goodwill, Impairment Loss     20,771    
Goodwill $ 8,650   $ 8,650   $ 29,421