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Supplemental Disclosure of Cash Flow Information (Narrative) (Details) (USD $) | 12 Months Ended
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Mar. 28, 2015 | Mar. 30, 2013
Supplemental Disclosure of Cash Flow Information [Abstract] |  |
Increase in capital leases and financing obligations | $ 11,599,000 us-gaap_CapitalLeaseObligationsIncurred |
Increase in property, plant and equipment | 11,599,000 mnro_NonCashCapitalExpenditures |
Current liabilities, exercise of stock options |  | 601,000 mnro_CurrentLiabilitiesExerciseOfStockOptions
Common stock issued exercise of stock options |  | 2,000 mnro_CommonStockIssuedExerciseOfStockOptions
Paid in capital exercise of stock options |  | 2,968,000 mnro_AdditionalPaidInCapitalExerciseOfStockOptions
Treasury stock exercise of stock options |  | 3,571,000 mnro_TreasuryStockExerciseOfStockOptions
Deferred income taxes-financing obligation |  | 1,164,000 mnro_LongTermDeferredTaxesFinancingObligationsAdjustmentAtInception
Property, plant and equiptment-financing obligation |  | 200,000 mnro_PropertyPlantAndEquipmentFinancingObligationsAdjustmentAtInception
Goodwill-financing obligation |  | 1,899,000 mnro_GoodwillFinancingObligationsAdjustmentAtInception
Capital lease and financing obligation-financing obligation |  | 629,000 mnro_CapitalLeaseAndFinancingObligationsFinancingObligationsAdjustmentAtInception
Other long-term liabilities-financing obligation |  | 2,567,000 mnro_OtherLongTermLiabilitiesFinancingObligationsAdjustmentAtInception
Intangible assets-financing obligations |  | $ (67,000)mnro_IntangibleAssetsFinancingObligationsAdjustmentAtInception

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- Definition Adjustment to additional paid in capital related to exercise of stock options. + References No definition available. + Details
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- Definition Adjustment at inception to capital leases and financing obligations in connection with the financing obligation adjustment. + References No definition available. + Details
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- Definition Equity impact of the value of new stock issued during the period related to the exercise of stock options. + References No definition available. + Details
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- Definition Accrual of payroll taxes related to exercise of stock options. + References No definition available. + Details
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- Definition Adjustment at inception to goodwill in connection with the financing obligation adjustment. + References No definition available. + Details
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- Definition Adjustment at inception to intangible assets in connection with the financing obligation adjustment. + References No definition available. + Details
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- Definition Adjustment at inception to long-term deferred taxes in connection with the financing obligation adjustment. + References No definition available. + Details
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- Definition The increase during the period in property, plant and equipment due to entering into new capital leases. + References No definition available. + Details
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- Definition Adjustment at incepton to other long-term liabilities in connection with the financing obligation adjustment. + References No definition available. + Details
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- Definition Adjustment at inception to propery, plant and equipment in connection with the financing obligation adjustment. + References No definition available. + Details
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- Definition Equity impact of the value of issued common stock repurchased and held in treasury related to exercise of stock options. + References No definition available. + Details
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- Definition The increase during the period in capital lease obligations due to entering into new capital leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Details
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