Bank indebtedness (Tables)
 12 Months Ended
Mar. 28, 2020
Debt Disclosure [Abstract]  
Summary of Company's Senior Credit Facility
The information concerning the Company’s bank indebtedness is as follows:
 
   
Fiscal Year Ended
 
   
March 28, 2020
  
March 30, 2019
 
   
(In thousands)
 
Maximum borrowing outstanding during the year
  $64,702  $55,596 
Average outstanding balance during the year
  $56,001  $44,772 
Weighted average interest rate for the year
   4.2%   3.9% 
Effective interest rate at
year-end
   3.8%   4.2%