XML 66 R65.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail)
12 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Mar. 31, 2012
Income Tax Disclosure [Abstract]      
Canadian statutory rate 26.40% 26.20% 27.50%
Rate differential for U.S. operations 2.00% (7.30%) (139.10%)
Adjustment to valuation allowance (26.80%) 21.00% 493.90%
Utilization of unrecognized losses and other tax attributes 0.00% (45.30%) (395.50%)
Permanent differences and other (2.10%) 6.70% 22.70%
Total (0.50%) 1.30% 9.50%