XML 86 R67.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail)
12 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Mar. 31, 2018
Income Tax Disclosure [Abstract]      
Canadian statutory rate 26.60% 26.80% 26.60%
Rate differential for U.S. operations 0.00% 0.10% 0.40%
Utilization of unrecognized losses and other tax attributes (26.40%) (26.20%) (27.10%)
Permanent differences and other (0.20%) (0.70%) 0.10%
Total 0.00% 0.00% 0.00%