v3.26.1
Indebtedness - Additional Information (Detail)
$ in Thousands
12 Months Ended
Nov. 13, 2025
USD ($)
Feb. 04, 2025
USD ($)
Jul. 02, 2021
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Jul. 01, 2021
USD ($)
Debt Instrument [Line Items]              
Weighted-average interest rate       5.70% 6.50% 6.60%  
Effective interest rate       5.00% 5.70%    
Revolving Credit Facility       $ 0 $ 200,000    
Repayment of Term Loan       (15,000) (11,250) $ (10,000)  
Interest coverage ratio     250.00%        
Borrowings outstanding under Credit Facility       0 200,000    
Outstanding borrowings       740,100      
Outstanding letters of credit , amount       9,900      
Debt instrument, principal amount       $ 1,781,250 $ 1,246,250    
Maturity Period 2021 [Member]              
Debt Instrument [Line Items]              
Unused line of credit commitment fee based on leverage ratio     9.00%        
Maximum [Member]              
Debt Instrument [Line Items]              
Unused line of credit commitment fee based on leverage ratio     22.50%        
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Minimum [Member] | Maturity Period 2021 [Member]              
Debt Instrument [Line Items]              
Variable margin     100.00%        
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Maximum [Member] | Maturity Period 2021 [Member]              
Debt Instrument [Line Items]              
Variable margin     162.50%        
NYFRB [Member] | Minimum [Member]              
Debt Instrument [Line Items]              
Variable margin     0.00%        
NYFRB [Member] | Maximum [Member]              
Debt Instrument [Line Items]              
Variable margin     62.50%        
Term Loan [Member]              
Debt Instrument [Line Items]              
Weighted-average interest rate       5.50% 6.30%    
Term loan facility, unused borrowing capacity, Amount   $ 300,000          
Term loan Maturity Date   Feb. 04, 2030          
Debt instrument, principal amount       $ 281,250 $ 296,250    
Quarterly principle payments   $ 3,800          
2.500% Senior Unsecured Notes Due 2031 [Member]              
Debt Instrument [Line Items]              
Effective interest rate             2.60%
Debt instrument, original issue discount             $ 6,300
Interest payment period     10-year        
Semi annual basis, treasury rate     20.00%        
Percentage of aggregate amount repurchased     101.00%        
Debt instrument, principal amount       $ 750,000 750,000   $ 750,000
Debt instrument, interest rate       2.50%     2.50%
Debt instrument, maturity period     2031-07        
2.500% Senior Unsecured Notes Due 2031 [Member] | Redeemable On or After April 1, 2031 [Member]              
Debt Instrument [Line Items]              
Percentage of principal amount redeemable     100.00%        
Debt instrument, interest rate             2.50%
5.000% Senior Unsecured Notes Due 2036 [Member]              
Debt Instrument [Line Items]              
Effective interest rate 5.10%            
Debt instrument, original issue discount $ 8,200            
Semi annual basis, treasury rate 20.00%            
Percentage of aggregate amount repurchased 101.00%            
Debt instrument, principal amount $ 750,000     $ 750,000 $ 0    
Debt instrument, interest rate 5.00%     5.00%      
Debt instrument, maturity period 2036-03            
5.000% Senior Unsecured Notes Due 2036 [Member] | Redeemable On or After December 15, 2035 [Member]              
Debt Instrument [Line Items]              
Percentage of principal amount redeemable 100.00%            
Debt instrument, interest rate 5.00%            
Revolving Credit Facility [Member]              
Debt Instrument [Line Items]              
Weighted-average interest rate         5.70%    
Revolving Credit Facility       $ 0      
Borrowings outstanding under Credit Facility       0      
Outstanding borrowings       740,100      
Revolving Credit Facility [Member] | Minimum [Member]              
Debt Instrument [Line Items]              
Supplementary leverage ratio             0.035
Revolving Credit Facility [Member] | Swingline Loan [Member]              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity             $ 25,000
Revolving Credit Facility [Member] | Unsecured Debt              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity       750,000      
Revolving Credit Facility [Member] | Term Loan [Member] | Minimum [Member]              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity   200,000          
Revolving Credit Facility [Member] | Term Loan [Member] | Maximum [Member]              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity   $ 300,000          
Line of Credit | Maximum [Member]              
Debt Instrument [Line Items]              
Amount of increase in borrowing capacity     $ 375,000        
Line of Credit | NYFRB [Member]              
Debt Instrument [Line Items]              
Variable margin     0.50%        
Letter of Credit [Member]              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity             1,125,000
Letter of Credit Facility             $ 40,000
Unused line of credit commitment fee based on leverage ratio         12.50%    
Outstanding letters of credit , amount       $ 9,900