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Share Based Compensation (A summary of the status of and changes in nonvested stock options granted) (Details) - $ / shares
 12 Months Ended
Mar. 31, 2018
Mar. 25, 2017
Mar. 26, 2016
A summary of the status of and changes in nonvested stock options granted      
Non-vested, shares, beginning balance 333,235 399,369 419,729
Granted, shares 546,080 232,560 243,410
Vested, shares (119,445) (266,112) (242,841)
Canceled, shares (47,465) (32,582) (20,929)
Non-vested, shares, ending balance 712,405 333,235 399,369
Weighted average grant date fair value, beginning of period $ 12.37 $ 11.26 $ 9.70
Weighted average grant date fair value, granted 8.84 12.17 13.10
Weighted average grant date fair value, vested 12.04 10.48 10.38
Weighted average grant date fair value, canceled 12.53 12.79 10.18
Weighted average grant date fair value, end of period $ 9.72 $ 12.37 $ 11.26