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Earnings Per Common Share (Narrative) (Details) - shares
3 Months Ended 9 Months Ended
Dec. 29, 2018
Dec. 23, 2017
Dec. 29, 2018
Dec. 23, 2017
Earnings Per Common Share [Abstract]        
Antidilutive securities excluded from computation of earnings per share 120,000 934,000 274,000 1,096,000