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Stock-Based Compensation Plans (Details 1)
3 Months Ended 6 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 26, 2015
Sep. 27, 2014
Weighted average assumptions in estimation of fair value of stock options        
Risk-free interest rate 1.30% 0.70% 1.30% 0.70%
Dividend yield 2.80% 2.40% 2.80% 2.40%