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Debt - Additional Information (Detail)
3 Months Ended 12 Months Ended
Dec. 11, 2019
USD ($)
Oct. 03, 2021
USD ($)
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Oct. 03, 2021
CAD ($)
Dec. 29, 2019
Dec. 28, 2019
Mar. 31, 2019
CAD ($)
Mar. 31, 2018
USD ($)
Apr. 23, 2015
USD ($)
Debt Instrument [Line Items]                        
Weighted-average interest rate     3.30% 3.50%                
Short term borrowing outstanding amount     $ 55,084,000 $ 34,153,000                
Short-term debt, weighted-average interest rates     2.40% 2.00%                
Amortization expense included in interest expense     $ 2,107,000 $ 2,072,000 $ 1,673,000              
Deferred financing fees, net of accumulated amortization     7,266,000 6,421,000                
Senior Notes                        
Debt Instrument [Line Items]                        
Long-term debt     600,000,000 600,000,000                
Line of Credit                        
Debt Instrument [Line Items]                        
Available lines of credit     482,305,000 697,875,000                
Outstanding amount     69,430,000 122,303,000                
Maximum                        
Debt Instrument [Line Items]                        
Consideration transferred   $ 250,000,000                    
Convertible Notes Payable                        
Debt Instrument [Line Items]                        
Stand by letters of credit     2,959,000 2,959,000                
2027 Notes | Senior Notes                        
Debt Instrument [Line Items]                        
Interest rate of debt instrument 4.375%                      
Long-term debt $ 300,000,000                      
Proceeds from debt, net $ 296,250,000                      
Payments of debt issuance costs         4,607,000              
2023 Notes | Senior Notes                        
Debt Instrument [Line Items]                        
Interest rate of debt instrument                       5.00%
Long-term debt                       $ 300,000,000
2017 Revolver borrowings | Secured Debt                        
Debt Instrument [Line Items]                        
Face value of debt instrument                     $ 150,000,000  
Change in face amount           $ 299,105,000            
2017 Revolver borrowings | Revolving Credit Facility | Line of Credit                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity                     $ 600,000,000  
Amended 2017 Term Loan | Secured Debt                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity           449,105,000            
Amended 2017 Term Loan | Term Loan                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity           99,105,000       $ 133,050,000    
Amended 2017 Revolver | Line of Credit                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity           700,000,000            
Amended 2017 Revolver | Revolving Credit Facility | Line of Credit                        
Debt Instrument [Line Items]                        
Change in borrowing capacity           $ 100,000,000            
Second Amended Term Loan, Canadian Dollars | Secured Debt                        
Debt Instrument [Line Items]                        
Face value of debt instrument   84,229         $ 106,440          
Second Amended Term Loan | Secured Debt                        
Debt Instrument [Line Items]                        
Face value of debt instrument   130,000                    
Change in face amount   (150,000)                    
Available lines of credit     215,268,000                  
Current portion of long-term debt     5,356,000                  
Second Amended Revolver | Revolving Credit Facility | Line of Credit                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity   850,000                    
Change in borrowing capacity   150,000                    
Optional increase in line of credit maximum borrowing capacity   $ 350,000,000                    
Available lines of credit     435,000,000                  
Second Amended Credit Facility | Line Of Credit And Secured Debt                        
Debt Instrument [Line Items]                        
Percentage of capital stock collateralizing debt   65.00%                    
Payments of debt issuance costs     2,952,000                  
Write off of deferred debt issuance costs     128,000                  
2038 Notes                        
Debt Instrument [Line Items]                        
Interest paid     $ 37,776,000 $ 36,365,000 $ 38,632,000              
London Interbank Offered Rate (LIBOR) | Second Amended Credit Facility | Line Of Credit And Secured Debt                        
Debt Instrument [Line Items]                        
Interest at a floating rate   1.50%                    
London Interbank Offered Rate (LIBOR) | Second Amended Credit Facility | Minimum | Line Of Credit And Secured Debt                        
Debt Instrument [Line Items]                        
Interest at a floating rate   1.125%                    
London Interbank Offered Rate (LIBOR) | Second Amended Credit Facility | Maximum | Line Of Credit And Secured Debt                        
Debt Instrument [Line Items]                        
Interest at a floating rate   2.00%                    
Federal Funds Effective Rate | Second Amended Credit Facility | Line Of Credit And Secured Debt                        
Debt Instrument [Line Items]                        
Interest at a floating rate   0.50%                    
Eurocurrency Base Rate | Second Amended Credit Facility | Line Of Credit And Secured Debt                        
Debt Instrument [Line Items]                        
Interest at a floating rate   1.00%                    
Canadian Dollar Offered Rate (CDOR) | Second Amended Credit Facility | Line Of Credit And Secured Debt                        
Debt Instrument [Line Items]                        
Interest at a floating rate   0.50%                    
Measurement Input, Maximum Leverage Ratio                        
Debt Instrument [Line Items]                        
Measurement input               3.50 4.00      
Measurement Input, Maximum Leverage Ratio | Minimum                        
Debt Instrument [Line Items]                        
Measurement input   3.50         3.50          
Measurement Input, Maximum Leverage Ratio | Maximum                        
Debt Instrument [Line Items]                        
Measurement input   4.00         4.00          
Debt Instrument, Redemption, Period One | 2027 Notes | Senior Notes                        
Debt Instrument [Line Items]                        
Redemption price, percentage     100.00%                  
Debt Instrument, Redemption, Period One | Second Amended Term Loan | Secured Debt                        
Debt Instrument [Line Items]                        
Periodic payment   $ 2,678,000                    
Debt Instrument, Redemption, Period Two | 2027 Notes | Senior Notes                        
Debt Instrument [Line Items]                        
Redemption price, percentage     100.00%                  
Debt Instrument, Redemption, Period Two | Second Amended Term Loan | Secured Debt                        
Debt Instrument [Line Items]                        
Periodic payment   4,017,000                    
Debt Instrument, Redemption, Period Three | 2027 Notes | Senior Notes                        
Debt Instrument [Line Items]                        
Redemption price, percentage     101.00%                  
Debt Instrument, Redemption, Period Three | Second Amended Term Loan | Secured Debt                        
Debt Instrument [Line Items]                        
Periodic payment   5,356,000                    
Debt Instrument, Redemption, Period Four | Second Amended Term Loan | Secured Debt                        
Debt Instrument [Line Items]                        
Periodic payment   $ 160,672,000