v3.26.1
Description of Business, Basis of Preparation and Summary of Significant Accounting Policies - Narrative (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
country
language
$ / shares
shares
Dec. 10, 2025
USD ($)
Oct. 16, 2025
USD ($)
Jul. 25, 2025
USD ($)
$ / shares
shares
Jul. 23, 2025
$ / shares
shares
Mar. 31, 2025
USD ($)
shares
Dec. 31, 2024
USD ($)
Mar. 31, 2026
USD ($)
country
language
segment
unit
$ / shares
shares
Mar. 31, 2025
USD ($)
shares
Mar. 31, 2024
USD ($)
Jul. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Number of reportable segments | segment               4      
Common stock conversion ratio         1            
Stock split conversion ratio         1.06555            
Common stock, shares outstanding (in shares) | shares 191,146,027       166,611,519 0   191,146,027 0    
Common stock, par value (in dollars per share) | $ / shares $ 0.01       $ 0.01     $ 0.01      
Proceeds received for shares issued       $ 385,698              
Payments of offering expenses               $ 7,037 $ 0 $ 0  
Deferred offering costs       17,342              
Useful life for software for 3rd party use 3 years             3 years      
Amortization of deferred technology costs               $ 223,627 239,014 254,937  
Useful life for cloud computing costs 3 years             3 years      
Gross capitalized cloud computing costs $ 35,072         $ 35,072   $ 35,072 35,072    
Accumulated amortization of cloud computing costs $ 27,954         16,263   27,954 16,263    
Amortization of cloud computing costs               $ 11,691 11,363 4,302  
Number of reporting units | unit               4      
Forecast period used for intangible assets impairment evaluation               5 years      
Revenue               $ 2,102,781 2,101,299 1,960,478  
Shipping and Handling                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Revenue               $ 19,731 24,150 20,679  
Deferred Technology Costs                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Useful life for software for internal use 3 years             3 years      
Gross deferred technology costs $ 324,797         239,427   $ 324,797 239,427    
Accumulated amortization of deferred technology costs 125,892         76,838   125,892 76,838    
Amortization of deferred technology costs               $ 45,242 $ 38,536 21,447  
Two Customers | Customer Concentration Risk | Accounts Receivable                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Concentration risk percentage               47.00%      
Three Customers | Customer Concentration Risk | Accounts Receivable                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Concentration risk percentage                 38.00%    
One Customer | Customer Concentration Risk | Revenues                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Concentration risk percentage               11.00%      
A&E Term Loan Facility                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Payment of secured debt               $ 605,575 $ 156,585 $ 0  
Secured Debt | A&E Term Loan Facility | Line of Credit                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Payment of secured debt $ 6,708 $ 50,000 $ 150,000 $ 385,698   $ 50,000 $ 100,000        
IPO                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Shares issued (in shares) | shares       24,390,000              
Price of shares issued (in dollars per share) | $ / shares       $ 17.00              
Payment of underwriting discounts and commissions       $ 21,768              
Payments of offering expenses       $ 7,164              
Over-Allotment Option                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Maximum shares to be issued under option (in shares) | shares       3,658,500              
International                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Number of countries where the company provides digital and print solutions (more than) | country 100             100      
Number of languages where the company provides digital and print solutions (more than) | language 80             80      
McGraw-Hill Education, Inc. | Mav Acquisition Corporation                      
Accounts, Notes, Loans and Financing Receivable [Line Items]                      
Percentage of equity interests acquired                     100.00%