v3.25.2
Revenue Recognition, Contracts with Customers - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Disaggregation of Revenue [Line Items]    
Revenue, net $ 396,800 $ 403,809
Operating Segments | Research    
Disaggregation of Revenue [Line Items]    
Revenue, net 281,692 265,309
Operating Segments | Research | Research Publishing    
Disaggregation of Revenue [Line Items]    
Revenue, net 231,827 230,951
Operating Segments | Research | Research Solutions    
Disaggregation of Revenue [Line Items]    
Revenue, net 49,865 34,358
Operating Segments | Learning    
Disaggregation of Revenue [Line Items]    
Revenue, net 115,108 124,314
Operating Segments | Learning | Academic    
Disaggregation of Revenue [Line Items]    
Revenue, net 55,472 59,964
Operating Segments | Learning | Professional    
Disaggregation of Revenue [Line Items]    
Revenue, net 59,636 64,350
Operating Segments | Held for Sale or Sold    
Disaggregation of Revenue [Line Items]    
Revenue, net $ 0 $ 14,186