v3.26.1
Restructuring and Related Charges - Pretax Restructuring Charges (Credits) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges $ 16,525 $ 3,038
Global Restructuring Program    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 16,525 3,059
Total Charges Incurred to Date 175,614  
Global Restructuring Program | Corporate Expenses    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 12,913 2,683
Total Charges Incurred to Date 113,911  
Global Restructuring Program | Severance and termination benefits    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 12,272 1,962
Total Charges Incurred to Date 96,430  
Global Restructuring Program | Impairment of operating lease ROU assets and technology, property, and equipment    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 0 0
Total Charges Incurred to Date 23,395  
Global Restructuring Program | Acceleration of expense related to operating lease ROU assets, technology, property, and equipment, and intangible assets    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 0 0
Total Charges Incurred to Date 8,074  
Global Restructuring Program | Facility related charges, net    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 1,108 992
Total Charges Incurred to Date 18,129  
Global Restructuring Program | Consulting costs    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 2,773 62
Total Charges Incurred to Date 19,704  
Global Restructuring Program | Other activities    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 372 43
Total Charges Incurred to Date 9,882  
Global Restructuring Program | Research | Operating Segments    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 2,545 252
Total Charges Incurred to Date 23,934  
Global Restructuring Program | Learning | Operating Segments    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 1,067 124
Total Charges Incurred to Date 24,774  
Global Restructuring Program | Held for Sale or Sold | Operating Segments    
Restructuring Cost and Reserve [Line Items]    
Total Restructuring and Related Charges 0 $ 0
Total Charges Incurred to Date $ 12,995