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Multiemployer Employee Benefit Plans (Details) (Multiemployer Defined Benefit Pension Plans [Member], USD $) | 9 Months Ended |
--- | --- | ---
Mar. 28, 2015 | Mar. 29, 2014 | Jun. 28, 2014
Multiemployer Plans [Line Items] |  |  |
Approximate percentage of union representatives on the boards of multiemployer plans | 50.00%syy_PercentageOfUnionRepresentativesOnMultiemployerBoardsOfTrustees |  |
Approximate percentage of contributing employer representatives on the boards of multiemployer plans | 50.00%syy_PercentageOfContributingEmployerRepresentativesOnMultiemployerBoardsOfTrustees |  |
Provisions recorded for multiemployer pension withdrawal liabilities | $ 0 syy_MultiemployerPlansWithdrawalObligationProvisionRecorded | $ 1,500,000 syy_MultiemployerPlansWithdrawalObligationProvisionRecorded |
Recorded multiemployer pension withdrawal liability | 0 us-gaap_MultiemployerPlansWithdrawalObligation | 1,500,000 us-gaap_MultiemployerPlansWithdrawalObligation | 1,400,000 us-gaap_MultiemployerPlansWithdrawalObligation
Aggregate Multiemployer Plan Withdrawal Liability [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
Tax rate for potential IRS non-deductible excise tax | 5.00%syy_IrsExciseTaxRate / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember / us-gaap_MultiemployerPlanTypeAxis = us-gaap_MultiemployerPlansPensionMember |  |
Statutory period for company exposure to additional liability after voluntary withdrawal from a multiemployer plan | 2 years |  |
Loss contingency, estimate of possible loss | $ 89,000,000 us-gaap_LossContingencyEstimateOfPossibleLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember / us-gaap_MultiemployerPlanTypeAxis = us-gaap_MultiemployerPlansPensionMember |  |

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- Definition Represents the tax rate the IRS may impose for a nondeductible excise tax on the amount of the accumulated funding deficiency for those employers contributing to a multi-employer pension fund that fails to meet certain minimum funding requirements. + References No definition available. + Details
Name: | syy_IrsExciseTaxRate
Namespace Prefix: | syy_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The charge against earnings in the period to record the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References No definition available. + Details
Name: | syy_MultiemployerPlansWithdrawalObligationProvisionRecorded
Namespace Prefix: | syy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Approximate percentage of contributing employer-appointed representatives to the boards of trustees of multiemployer plans. + References No definition available. + Details
Name: | syy_PercentageOfContributingEmployerRepresentativesOnMultiemployerBoardsOfTrustees
Namespace Prefix: | syy_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Approximate percentage of union-appointed representatives to the boards of trustees of multiemployer plans. + References No definition available. + Details
Name: | syy_PercentageOfUnionRepresentativesOnMultiemployerBoardsOfTrustees
Namespace Prefix: | syy_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Statutory time period after a voluntary withdrawal from a multiemployer plan during which the company withdrawing from the plan may be exposed to additional liability if there was a mass withdrawal from the multiemployer plan. + References No definition available. + Details
Name: | syy_StatutoryPeriodAfterVoluntaryWithdrawalWithAdditionalExposureToCompany
Namespace Prefix: | syy_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_MultiemployerPlansLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References No definition available. + Details
Name: | us-gaap_MultiemployerPlansWithdrawalObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant