XML 57 R43.htm IDEA: XBRL DOCUMENT v3.23.1
Note 5 - Employee Benefit Plans - Assumptions Used to Determine the Post-retirement Benefit Obligation and the Net Periodic Postretirement Benefit Cost (Details)
Mar. 25, 2023
Mar. 26, 2022
Medical Care Cost [Member]    
Trend rate assumed for next year 7.80% 7.00%
Ultimate trend rate 4.00% 3.80%
Dental Care Cost [Member]    
Trend rate assumed for next year 3.50% 3.00%
Weighted Average [Member]    
Weighted average discount rate 4.90% 3.60%