Stock Ownership	12 Months Ended
	Mar. 27, 2021
Stock Ownership [Abstract]
Stock Ownership	Note 10 – Stock Ownership Holders of at least 60 percent of the Class C preferred stock must approve any action authorized by the holders of Common Stock. In addition, there are certain restrictions on the transferability of shares of Class C preferred stock. In the event of a liquidation, dissolution or winding-up of Monro, the holders of the Class C preferred stock would be entitled to receive $1.50 per share out of the assets of Monro before any amount would be paid to holders of Common Stock. The conversion value of the Class C convertible preferred stock was $0.064 per share at March 27, 2021 and March 28, 2020.