v3.26.3
Significant Accounting Policies - Additional Information (Detail) - USD ($)
shares in Millions
 2 Months Ended 12 Months Ended
Jul. 02, 2025
Apr. 01, 2019
May 31, 2019
May 31, 2026
May 31, 2025
May 31, 2024
May 31, 2019
Significant Of Accounting Policies [Line Items]              
Value added tax   13.00%          
Vat on sales   13.00% 6.00%        
Excess of refund   3.00%          
Contract assets       $ 0 $ 0    
Contract liabilities       2,242,946,000 1,954,464,000    
Refund liability [1]       206,173,000 181,417,000    
Revenues       5,661,294,000 4,900,262,000 $ 4,313,586,000  
Total advertising expenses       159,742,000 123,962,000 86,493,000  
Government subsidies received       11,461,000 9,702,000 15,000,000  
Aggregate amounts denominated in RMB       $ 2,720,556,000 2,301,739,000    
Amortization term of long term debt       1 year      
Stock repurchased during period, value       $ 230,890,000 445,495,000 62,943,000  
East Buy [Member]              
Significant Of Accounting Policies [Line Items]              
Stock repurchased during period, value       $ 7,578,000 $ 7,663,000    
Shares repurchase       24.7 15.5    
Cash paid noncontrolling interest is adjusted were recognized in equity attributable to the Company       $ 3,700,000 $ 5,400,000    
Investee Companies [Member]              
Significant Of Accounting Policies [Line Items]              
Percentage of ownership interest in voting stock considered to exist significant influence over investee company       20.00%      
Unsecured Senior Notes [Member]              
Significant Of Accounting Policies [Line Items]              
Debt instrument redemption consideration paid $ 14,400,000            
Unsecured Senior Notes [Member] | Fair Value, Inputs, Level 2 [Member]              
Significant Of Accounting Policies [Line Items]              
Unsecured debt fair value         14,400,000    
Self Developed Software Product [Member]              
Significant Of Accounting Policies [Line Items]              
Vat on sales       13.00%      
Self Developed Software Service [Member]              
Significant Of Accounting Policies [Line Items]              
Vat on sales             6.00%
Books and Other Services [Member]              
Significant Of Accounting Policies [Line Items]              
Vat on sales     9.00%        
Service [Member]              
Significant Of Accounting Policies [Line Items]              
Revenues       $ 4,893,000,000 4,334,071,000 3,500,998,000  
Service [Member] | Educational services and test preparation courses [Member]              
Significant Of Accounting Policies [Line Items]              
Revenues       4,006,764,000 3,456,189,000 2,716,174,000  
Service [Member] | Private label products and livestreaming Ecommerce and other services [Member]              
Significant Of Accounting Policies [Line Items]              
Revenues       122,017,000 119,092,000 190,860,000  
Service [Member] | Overseas Study Consulting Services [Member]              
Significant Of Accounting Policies [Line Items]              
Revenues       511,346,000 516,367,000 439,744,000  
Service [Member] | Other Segments [Member]              
Significant Of Accounting Policies [Line Items]              
Revenues       252,873,000 242,423,000 154,220,000  
Product [Member]              
Significant Of Accounting Policies [Line Items]              
Revenues       768,294,000 566,191,000 812,588,000  
Product [Member] | Private label products and livestreaming Ecommerce and other services [Member]              
Significant Of Accounting Policies [Line Items]              
Revenues       684,895,000 481,189,000 709,754,000  
Product [Member] | Other Segments [Member]              
Significant Of Accounting Policies [Line Items]              
Revenues       $ 83,399,000 $ 85,002,000 $ 102,834,000  
Minimum [Member] | Investee Companies [Member]              
Significant Of Accounting Policies [Line Items]              
Percentage of ownership interest in voting stock considered to exist significant influence over investee company       20.00%      
Maximum [Member] | Investee Companies [Member]              
Significant Of Accounting Policies [Line Items]              
Percentage of ownership interest in voting stock considered to exist significant influence over investee company       50.00%      
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Group Customer [Member]              
Significant Of Accounting Policies [Line Items]              
Concentration risk       10.00% 10.00%    
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Group Customer [Member]              
Significant Of Accounting Policies [Line Items]              
Concentration risk       10.00% 10.00%    
Land use rights [Member] | Minimum [Member]              
Significant Of Accounting Policies [Line Items]              
Estimated useful lives       38 years 6 months      
Land use rights [Member] | Maximum [Member]              
Significant Of Accounting Policies [Line Items]              
Estimated useful lives       50 years      
[1] The refund liability is recognized for variable amount of the considerations received from the customers and recorded as refund liability as described in Note 2.