XML 94 R76.htm IDEA: XBRL DOCUMENT
v3.10.0.1

COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - INVESTMENTS STRATEGY (Details) - Pension Benefits | 12 Months Ended
--- | ---
Jun. 30, 2018
United States |
Defined Benefit Plan Disclosure [Line Items] |
Actual investment allocation | 100.00%
United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target investment allocation | 2.90%
Actual investment allocation | 100.00%
Maximum allowable portfolio annual risk | 12.00%
Growth assets | United States |
Defined Benefit Plan Disclosure [Line Items] |
Target investment allocation | 30.00%
Actual investment allocation | 29.00%
Liability hedging assets | United States |
Defined Benefit Plan Disclosure [Line Items] |
Target investment allocation | 70.00%
Actual investment allocation | 71.00%
Liability hedging assets | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target investment allocation | 25.00%
Actual investment allocation | 25.00%
Common contractual fund | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target investment allocation | 75.00%
Actual investment allocation | 75.00%

X
- Definition Defined Benefit Plan, Plan Assets, Maximum Allowable Portfolio Annual Risk Percent + References No definition available. + Details
Name: | syy_DefinedBenefitPlanPlanAssetsMaximumAllowablePortfolioAnnualRiskPercent
Namespace Prefix: | syy_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(i) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanSponsorLocationAxis=country_GB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=syy_GrowthAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=syy_DefinedBenefitPlanDerivativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=syy_CommonContractualFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |