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Debt - (Additional Information) (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 11, 2019
USD ($)
Oct. 03, 2021
USD ($)
Oct. 04, 2020
USD ($)
Oct. 03, 2021
USD ($)
Oct. 04, 2020
USD ($)
Mar. 31, 2019
USD ($)
Oct. 03, 2021
CAD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2019
CAD ($)
Aug. 04, 2017
USD ($)
Apr. 23, 2015
USD ($)
Debt Instrument [Line Items]                      
Short-term debt   $ 36,006,000   $ 36,006,000       $ 34,153,000      
Short-term debt, weighted average interest rate   2.00%   2.00%     2.00% 2.00%      
Amortization expense relating to debt issuance costs and included in interest expense   $ 615,000 $ 518,000 $ 1,133,000 $ 1,036,000            
Deferred issuance costs, net of accumulated amortization   8,240,000   8,240,000       $ 6,421,000      
Maximum                      
Debt Instrument [Line Items]                      
Consideration transferred       250,000              
Standby Letters of Credit                      
Debt Instrument [Line Items]                      
Stand by letters of credit   2,959,000   2,959,000       2,959,000      
Senior Notes                      
Debt Instrument [Line Items]                      
Long-term debt   600,000,000   600,000,000       600,000,000      
Line of Credit                      
Debt Instrument [Line Items]                      
Available lines of credit   688,959,000   688,959,000       697,875,000      
Outstanding amount   111,084,000   111,084,000       $ 122,303,000      
4.375% Senior Notes due 2027 | Senior Notes                      
Debt Instrument [Line Items]                      
Interest rate 4.375%                    
Long-term debt $ 300,000,000                    
Proceeds from issuance of debt, net of debt issuance costs $ 296,250,000                    
5.00% Senior Notes due 2023 | Senior Notes                      
Debt Instrument [Line Items]                      
Interest rate                     5.00%
Long-term debt                     $ 300,000,000
Amended Credit Facility, due 2022 | Secured Debt                      
Debt Instrument [Line Items]                      
Debt instrument, face amount                   $ 150,000,000  
Amended Credit Facility, due 2022 | Line of Credit | Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity                   $ 600,000,000  
Amended 2017 Term Loan | Secured Debt                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity           $ 449,105,000          
Change in face amount           299,105,000          
Amended 2017 Term Loan, Canadian Dollars | Secured Debt                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity           99,105,000     $ 133,050,000    
Amended 2017 Revolver | Line of Credit                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity           700,000,000          
Amended 2017 Revolver | Line of Credit | Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Change in borrowing capacity           $ 100,000,000          
Second Amended Term Loan | Secured Debt                      
Debt Instrument [Line Items]                      
Debt instrument, face amount   130,000,000   130,000,000              
Change in face amount   (150,000,000)                  
Available lines of credit   214,229,000   214,229,000              
Current portion of long-term debt   0   0              
Second Amended Term Loan, Canadian Dollars | Secured Debt                      
Debt Instrument [Line Items]                      
Debt instrument, face amount   84,229,000   84,229,000     $ 106,440,000        
Second Amended Revolver | Line of Credit | Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Line of credit facility, maximum borrowing capacity   850,000,000   850,000,000              
Change in borrowing capacity   150,000,000                  
Optional increase in line of credit maximum borrowing capacity   350,000,000   350,000,000              
Available lines of credit   $ 270,000,000   $ 270,000,000              
Second Amended Credit Facility | Secured Debt and Line of Credit                      
Debt Instrument [Line Items]                      
Percentage of capital stock collateralizing debt   65.00%                  
Capitalized debt issuance costs   $ 2,952,000                  
Debt issuance costs written off   $ 128,000                  
Second Amended Credit Facility | Secured Debt and Line of Credit | LIBOR                      
Debt Instrument [Line Items]                      
Basis spread on variable rate   1.25%                  
Second Amended Credit Facility | Secured Debt and Line of Credit | Federal Funds Effective Rate                      
Debt Instrument [Line Items]                      
Basis spread on variable rate   0.50%                  
Second Amended Credit Facility | Secured Debt and Line of Credit | Eurocurrency Base Rate                      
Debt Instrument [Line Items]                      
Basis spread on variable rate   1.00%                  
Second Amended Credit Facility | Secured Debt and Line of Credit | CDOR                      
Debt Instrument [Line Items]                      
Basis spread on variable rate   0.50%                  
Second Amended Credit Facility | Secured Debt and Line of Credit | Minimum | LIBOR                      
Debt Instrument [Line Items]                      
Basis spread on variable rate   1.125%                  
Second Amended Credit Facility | Secured Debt and Line of Credit | Maximum | LIBOR                      
Debt Instrument [Line Items]                      
Basis spread on variable rate   2.00%                  
Maximum Leverage Ratio | Minimum                      
Debt Instrument [Line Items]                      
Measurement input   3.50   3.50     3.50        
Maximum Leverage Ratio | Maximum                      
Debt Instrument [Line Items]                      
Measurement input   4.00   4.00     4.00        
Redemption Period One | 4.375% Senior Notes due 2027 | Senior Notes                      
Debt Instrument [Line Items]                      
Redemption percentage       100.00%              
Redemption Period One | Second Amended Term Loan | Secured Debt                      
Debt Instrument [Line Items]                      
Debt instrument, periodic payment   $ 2,678,000                  
Redemption Period Two | 4.375% Senior Notes due 2027 | Senior Notes                      
Debt Instrument [Line Items]                      
Redemption percentage       100.00%              
Redemption Period Two | Second Amended Term Loan | Secured Debt                      
Debt Instrument [Line Items]                      
Debt instrument, periodic payment   4,017,000                  
Redemption Period Three | 4.375% Senior Notes due 2027 | Senior Notes                      
Debt Instrument [Line Items]                      
Redemption percentage       101.00%              
Redemption Period Three | Second Amended Term Loan | Secured Debt                      
Debt Instrument [Line Items]                      
Debt instrument, periodic payment   5,356,000                  
Debt Instrument, Redemption, Period Four | Second Amended Term Loan | Secured Debt                      
Debt Instrument [Line Items]                      
Debt instrument, periodic payment   $ 160,672,000