v3.26.1
Segment Reporting - Adjusted EBITDA by Segment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting [Line Items]      
Total Adjusted EBITDA $ 744,264 $ 726,790 $ 656,618
Operating Segments | K-12      
Segment Reporting [Line Items]      
Total Adjusted EBITDA 284,964 305,333 291,366
Operating Segments | Higher Education      
Segment Reporting [Line Items]      
Total Adjusted EBITDA 389,826 350,862 290,231
Operating Segments | Global Professional      
Segment Reporting [Line Items]      
Total Adjusted EBITDA 45,597 45,105 43,402
Operating Segments | International      
Segment Reporting [Line Items]      
Total Adjusted EBITDA 21,911 35,742 30,926
Other      
Segment Reporting [Line Items]      
Total Adjusted EBITDA $ 1,966 $ (10,252) $ 693