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Share Based Compensation (Summary of changes in outstanding stock options) (Details) - $ / shares
 12 Months Ended
Mar. 31, 2018
Mar. 25, 2017
Mar. 26, 2016
Summary of changes in outstanding stock options      
Weighted average exercise price, beginning of period $ 51.67 $ 41.75 $ 34.21
Weighted average exercise price, granted 48.12 62.01 62.28
Weighted average exercise price, exercised 35.00 31.61 29.59
Weighted average exercise price, canceled 60.87 61.20 50.69
Weighted average exercise price, end of period $ 51.95 $ 51.67 $ 41.75
Options outstanding, beginning balance 896,344 1,188,791 1,518,330
Options outstanding, granted 546,080 232,560 243,410
Options outstanding, exercised (170,354) (485,660) (549,141)
Options outstanding, canceled (64,092) (39,347) (23,808)
Options outstanding, ending balance 1,207,978 896,344 1,188,791