v3.25.4
Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Disaggregation of Revenue [Line Items]        
Revenue $ 434,162 $ 416,493 $ 1,639,059 $ 1,628,037
Digital        
Disaggregation of Revenue [Line Items]        
Revenue 363,685 327,652 1,040,932 958,319
Print        
Disaggregation of Revenue [Line Items]        
Revenue 70,477 88,841 598,127 669,718
Re-occurring Revenue        
Disaggregation of Revenue [Line Items]        
Revenue 357,460 311,379 1,167,468 1,069,831
Transactional Revenue        
Disaggregation of Revenue [Line Items]        
Revenue 76,702 105,114 471,591 558,206
Operating Segments | K-12        
Disaggregation of Revenue [Line Items]        
Revenue 128,189 150,182 758,267 829,654
Operating Segments | Higher Education        
Disaggregation of Revenue [Line Items]        
Revenue 225,363 181,760 620,704 528,496
Operating Segments | Global Professional        
Disaggregation of Revenue [Line Items]        
Revenue 36,239 35,531 111,206 111,232
Operating Segments | International        
Disaggregation of Revenue [Line Items]        
Revenue 44,061 44,889 145,870 158,377
Operating Segments | Digital | K-12        
Disaggregation of Revenue [Line Items]        
Revenue 103,513 107,976 330,746 328,516
Operating Segments | Digital | Higher Education        
Disaggregation of Revenue [Line Items]        
Revenue 203,104 162,717 558,099 473,966
Operating Segments | Digital | Global Professional        
Disaggregation of Revenue [Line Items]        
Revenue 28,249 26,398 79,543 76,742
Operating Segments | Digital | International        
Disaggregation of Revenue [Line Items]        
Revenue 28,819 30,561 72,544 79,095
Operating Segments | Print | K-12        
Disaggregation of Revenue [Line Items]        
Revenue 24,676 42,206 427,521 501,138
Operating Segments | Print | Higher Education        
Disaggregation of Revenue [Line Items]        
Revenue 22,259 19,043 62,605 54,530
Operating Segments | Print | Global Professional        
Disaggregation of Revenue [Line Items]        
Revenue 7,990 9,133 31,663 34,490
Operating Segments | Print | International        
Disaggregation of Revenue [Line Items]        
Revenue 15,242 14,328 73,326 79,282
Operating Segments | Re-occurring Revenue | K-12        
Disaggregation of Revenue [Line Items]        
Revenue 110,706 112,537 510,583 489,656
Operating Segments | Re-occurring Revenue | Higher Education        
Disaggregation of Revenue [Line Items]        
Revenue 196,016 146,854 517,247 438,441
Operating Segments | Re-occurring Revenue | Global Professional        
Disaggregation of Revenue [Line Items]        
Revenue 25,293 24,438 73,605 70,614
Operating Segments | Re-occurring Revenue | International        
Disaggregation of Revenue [Line Items]        
Revenue 25,445 27,550 66,033 71,120
Operating Segments | Transactional Revenue | K-12        
Disaggregation of Revenue [Line Items]        
Revenue 17,483 37,645 247,684 339,998
Operating Segments | Transactional Revenue | Higher Education        
Disaggregation of Revenue [Line Items]        
Revenue 29,347 34,906 103,457 90,055
Operating Segments | Transactional Revenue | Global Professional        
Disaggregation of Revenue [Line Items]        
Revenue 10,946 11,093 37,601 40,618
Operating Segments | Transactional Revenue | International        
Disaggregation of Revenue [Line Items]        
Revenue 18,616 17,339 79,837 87,257
Other        
Disaggregation of Revenue [Line Items]        
Revenue 310 4,131 3,012 278
Other | Digital        
Disaggregation of Revenue [Line Items]        
Revenue 0 0 0 0
Other | Print        
Disaggregation of Revenue [Line Items]        
Revenue 310 4,131 3,012 278
Other | Re-occurring Revenue        
Disaggregation of Revenue [Line Items]        
Revenue 0 0 0 0
Other | Transactional Revenue        
Disaggregation of Revenue [Line Items]        
Revenue $ 310 $ 4,131 $ 3,012 $ 278