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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail)
12 Months Ended
Mar. 26, 2016
Mar. 28, 2015
Mar. 29, 2014
Income Tax Disclosure [Abstract]      
Canadian statutory rate 26.60% 26.40% 26.40%
Rate differential for U.S. operations 6.50% 5.10% 2.00%
Adjustment to valuation allowance 3.20% (30.70%) (26.80%)
Utilization of unrecognized losses and other tax attributes (32.20%) 0.00% 0.00%
Permanent differences and other (3.20%) (0.80%) (2.10%)
Total 0.90% 0.00% (0.50%)