Description Of Business, Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule of Share-Based Compensation Valuation Assumptions) (Details)		12 Months Ended
		Mar. 27, 2021	Mar. 28, 2020	Mar. 30, 2019
Weighted average fair value of options granted
Risk-free interest rate	[1]	0.27%	1.85%	2.81%
Expected term (years)	[2]	4 years	4 years	4 years
Expected volatility	[3]	33.30%	30.40%	28.30%
Dividend yield	[4]	1.60%	1.12%	1.24%

[1] Risk-free interest rates are yields for zero coupon U.S. Treasury notes maturing approximately at the end of the expected option term.

[2] Expected term is based on historical exercise behavior and on the terms and conditions of the stock option award.

[3] Expected volatility is based on a combination of historical volatility, using Monro stock prices over a period equal to the expected term, and implied market volatility.

[4] Dividend yield is based on historical dividend experience and expected future changes, if any.