XML 61 R46.htm IDEA: XBRL DOCUMENT v3.21.1
EMPLOYEE BENEFIT PLANS (Assumptions Used to Determine the Postretirement Benefit Obligation and the Net Periodic Benefit Cost) (Details)
12 Months Ended
Mar. 27, 2021
Mar. 28, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Line Items]    
Weighted average discount rate 3.00% 3.30%
Medical care cost trend rate:    
Ultimate trend rate 3.80% 3.80%
Year that rate reaches ultimate trend rate 2075 2075
Medical Care Cost [Member]    
Medical care cost trend rate:    
Trend rate assumed for next year 7.00% 6.80%
Dental Care Cost [Member]    
Medical care cost trend rate:    
Trend rate assumed for next year 3.00% 3.50%