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Fair Value Measurements - Derivative instruments at fair value (Details) - USD ($)
$ in Thousands
Jan. 31, 2024
Jan. 31, 2023
Fair Value Measurements    
Equity derivative contracts $ 16,206 $ 11,610
Contingent consideration 35,146 30,949
Level 2    
Fair Value Measurements    
Equity derivative contracts 16,206 11,610
Level 3    
Fair Value Measurements    
Contingent consideration $ 35,146 $ 30,949