XML 72 R59.htm IDEA: XBRL DOCUMENT
v3.20.1

Stock Ownership (Narrative) (Details) - $ / shares | 12 Months Ended |
--- | --- | ---
Mar. 28, 2020 | Mar. 30, 2019
Stock Ownership [Abstract] |  |
Class C convertible preferred stock, conversion value | $ 0.064 | $ 0.064
Distribution amount per share of preferred stock on liquidation of company | $ 1.50 |
Minimum percentage of preferred stock holders approval for authorization of action | 60.00% |

X
- Definition Distribution amount per share of preferred stock on liquidation of company. + References No definition available. + Details
Name: | mnro_DistributionAmountPerShareOfPreferredStockOnLiquidationOfCompany
Namespace Prefix: | mnro_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Minimum percentage of preferred stock holders approval for authorization of action. + References No definition available. + Details
Name: | mnro_MinimumPercentageOfPreferredStockHoldersApprovalForAuthorizationOfAction
Namespace Prefix: | mnro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The rate at which the preferred stock can be converted into common stock. + References No definition available. + Details
Name: | mnro_PreferredStockConversionRate
Namespace Prefix: | mnro_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Stock Ownership. + References No definition available. + Details
Name: | mnro_StockOwnershipAbstract
Namespace Prefix: | mnro_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration