XML 102 R58.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Long-Term Debt (Details Textual) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2012 | Jun. 30, 2011 numberofbanks | Mar. 30, 2013 | Mar. 31, 1995 acre | Dec. 29, 2012 numberofbanks | Mar. 31, 2012
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |
Revolving credit facility agreement term |  | 5 years |  |  |  |
Revolving credit facility agreement | $ 250 | $ 175 |  |  |  |
Revolving credit facility agreement, number of participating banks |  | 7 |  |  | 6 |
Provision allowing to expand the amount of overall facility | 75 | 75 |  |  |  |
Revolving credit facility agreement committed sum outstanding |  |  | 127.2 |  |  |
Line of credit sub-facility for issuing standby letters of credit |  |  | 40 |  |  |
Percentage of face amount of standby letter of credit payable as fees |  |  | 1.125% |  |  |
Letters of credit outstanding |  |  | 19.7 |  |  |
Carrying amount of long-term debt (including current portion) |  |  | 127.8 |  |  | 5.7
Fair value of long-term debt (including current portion) |  |  | 127.8 |  |  | 5.6
The total amount financed for properties with capital leases and financing obligations |  |  | 63.8 |  |  |
Acres of land purchased |  |  |  | 12.7 |  |
Amount of land purchased |  |  |  | $ 0.7 |  |
Percentage of land purchased via a non-interest mortgage |  |  |  | 100.00% |  |
Period of non-interest bearing mortgage |  |  |  | 20 years |  |

X
- Definition Acres of land purchased by the Company on which its office/warehouse facility is located. + References No definition available. + Details
Name: | mnro_AcresOfLandPurchased
Namespace Prefix: | mnro_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount financed for properties with capital leases and financing obligations. + References No definition available. + Details
Name: | mnro_AdditionalFinancingForPropertiesWithCapitalLeases
Namespace Prefix: | mnro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount of land purchased by the Company on which its office/warehouse facility is located. + References No definition available. + Details
Name: | mnro_AmountOfLandPurchased
Namespace Prefix: | mnro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Revolving credit facility agreement, number of participating banks. + References No definition available. + Details
Name: | mnro_LineOfCreditFacilityNumberOfBanks
Namespace Prefix: | mnro_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | mnro_LongTermDebtTextualAbstract
Namespace Prefix: | mnro_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of cost of land on which the Company's office/warehouse facility is located financed via a non-interest bearing mortgage. + References No definition available. + Details
Name: | mnro_PercentageOfLandFinancedWithNonInterestMortgage
Namespace Prefix: | mnro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of non-interest bearing mortgage. + References No definition available. + Details
Name: | mnro_PeriodOfNonInterestBearingMortgage
Namespace Prefix: | mnro_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accordion feature of credit facility permitting additional increase in availability. + References No definition available. + Details
Name: | mnro_ProvisionAllowingCreditFacilityExpansion
Namespace Prefix: | mnro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Revolving credit facility agreement term. + References No definition available. + Details
Name: | mnro_RevolvingCreditFacilityPeriod
Namespace Prefix: | mnro_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
Name: | us-gaap_LongTermDebtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant