Annual report pursuant to Section 13 and 15(d)

RETIREMENT AND SAVINGS BENEFIT PLANS - Fair Value of Investments Held by Defined Benefit Plan (Details)

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RETIREMENT AND SAVINGS BENEFIT PLANS - Fair Value of Investments Held by Defined Benefit Plan (Details) - Pension Plan - USD ($)
$ in Thousands
Apr. 03, 2021
Mar. 28, 2020
Mar. 30, 2019
Defined Benefit Plan Disclosure [Line Items]      
Plan assets $ 1,755,414 $ 1,712,775 $ 1,751,094
Level 1, 2 and 3      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 87,460 89,466  
Level 1, 2 and 3 | Cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 7,410 9,421  
Level 1, 2 and 3 | U.S. Treasury and government agencies      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 5 6  
Level 1, 2 and 3 | Insurance contracts      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 84,497 76,161  
Level 1, 2 and 3 | Futures contracts      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets (4,452) 3,878  
Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 2,958 13,299  
Level 1 | Cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 7,410 9,421  
Level 1 | U.S. Treasury and government agencies      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 0 0  
Level 1 | Insurance contracts      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 0 0  
Level 1 | Futures contracts      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets (4,452) 3,878  
Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 84,502 76,167  
Level 2 | Cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 0 0  
Level 2 | U.S. Treasury and government agencies      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 5 6  
Level 2 | Insurance contracts      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 84,497 76,161  
Level 2 | Futures contracts      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 0 0  
Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 0 0  
Level 3 | Cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 0 0  
Level 3 | U.S. Treasury and government agencies      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 0 0  
Level 3 | Insurance contracts      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 0 0  
Level 3 | Futures contracts      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 0 0  
Plan assets measured at net asset value      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 1,667,954 1,623,309  
Plan assets measured at net asset value | Cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 78,191 54,745  
Plan assets measured at net asset value | Domestic      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 96,509 70,503  
Plan assets measured at net asset value | International      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 88,488 71,365  
Plan assets measured at net asset value | Corporate and international bonds      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets 1,240,551 1,293,768  
Plan assets measured at net asset value | Alternative investments      
Defined Benefit Plan Disclosure [Line Items]      
Plan assets $ 164,215 $ 132,928