Maximum borrowing capacity under the commercial paper program.

No definition available.

Name:	jbl_CommercialPaperMaximumBorrowingCapacity
Namespace Prefix:	jbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Extension Term, Maximum

+ References

No definition available.

+ Details

Name:	jbl_DebtInstrumentExtensionTermMaximum
Namespace Prefix:	jbl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Number Of Extension Options

+ References

No definition available.

+ Details

Name:	jbl_DebtInstrumentNumberOfExtensionOptions
Namespace Prefix:	jbl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

Name:	jbl_LineofCreditAccordionFeatureIncreaseLimit
Namespace Prefix:	jbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

Name:	us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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://fasb.org/us-gaap/role/ref/legacyRef
-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

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jbl_SeniorNotesDueJanuary2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jbl_SeniorNotesDueMarch2018Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jbl_RevolvingCreditFacilityAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jbl_RevolvingCreditFacilityBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=jbl_TermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jbl_TermLoanFacilityAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=jbl_TermLoanFacilityBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Notes Payable and Long-Term Debt (Summary, Footnotes) (Details)			12 Months Ended
	Aug. 24, 2018 USD ($)	Nov. 08, 2017 USD ($) extension_option	Aug. 31, 2019 USD ($)	Aug. 31, 2018 USD ($)	Aug. 15, 2019 USD ($)
Debt Instrument [Line Items]
Commercial paper, maximum borrowing capacity					$ 1,800,000,000
Senior Notes \| 3.950% Senior Notes
Debt Instrument [Line Items]
Debt issuance				$ 500,000,000
Senior Notes, stated interest rate			3.95%	3.95%
Senior Notes \| 8.250% Senior Notes
Debt Instrument [Line Items]
Senior Notes, stated interest rate				8.25%
Redemption of debt outstanding				$ 400,000,000
Line of Credit
Debt Instrument [Line Items]
Credit agreement term	2 years	5 years
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Unused borrowing capacity under revolving credit facilities, net of letters of credit			$ 2,600,000,000
Line of Credit \| Revolving Credit Facility \| 2017 Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 1,800,000,000
Revolving credit facility, accordion feature, increase limit		$ 2,300,000,000
Number of extension options \| extension_option		2
Extension term, maximum		1 year
Line of Credit \| Revolving Credit Facility \| 2017 Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Interest rate on debt instruments			3.10%
Line of Credit \| Revolving Credit Facility \| 2017 Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Interest rate on debt instruments			5.70%
Line of Credit \| Revolving Credit Facility \| 2017 Revolving Credit Facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Interest rate above base rate			0.00%
Line of Credit \| Revolving Credit Facility \| 2017 Revolving Credit Facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Interest rate above base rate			0.575%
Line of Credit \| Revolving Credit Facility \| 2017 Revolving Credit Facility \| Eurodollar \| Minimum
Debt Instrument [Line Items]
Interest rate above base rate			0.975%
Line of Credit \| Revolving Credit Facility \| 2017 Revolving Credit Facility \| Eurodollar \| Maximum
Debt Instrument [Line Items]
Interest rate above base rate			1.575%
Line of Credit \| Revolving Credit Facility \| 2017 Revolving Credit Facility \| Federal Funds Rate
Debt Instrument [Line Items]
Interest rate above base rate			0.50%
Line of Credit \| Revolving Credit Facility \| 2017 Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate above base rate			1.00%
Line of Credit \| Revolving Credit Facility \| 2018 Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 150,000,000
Line of Credit \| Revolving Credit Facility \| 2018 Revolving Credit Facility \| Eurodollar
Debt Instrument [Line Items]
Interest rate above base rate			0.975%
Line of Credit \| Revolving Credit Facility \| 2018 Revolving Credit Facility \| Federal Funds Rate
Debt Instrument [Line Items]
Interest rate above base rate			0.50%
Line of Credit \| Revolving Credit Facility \| 2018 Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate above base rate			1.00%
Line of Credit \| Term Loan Facility \| 2017 Term Loan Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 500,000,000
Line of Credit \| Term Loan Facility \| 2017 Term Loan Facility \| Minimum
Debt Instrument [Line Items]
Interest rate on debt instruments			3.50%
Line of Credit \| Term Loan Facility \| 2017 Term Loan Facility \| Maximum
Debt Instrument [Line Items]
Interest rate on debt instruments			3.90%
Line of Credit \| Term Loan Facility \| 2017 Term Loan Facility \| Base Rate \| Minimum
Debt Instrument [Line Items]
Interest rate above base rate			0.125%
Line of Credit \| Term Loan Facility \| 2017 Term Loan Facility \| Base Rate \| Maximum
Debt Instrument [Line Items]
Interest rate above base rate			0.875%
Line of Credit \| Term Loan Facility \| 2017 Term Loan Facility \| Eurodollar \| Minimum
Debt Instrument [Line Items]
Interest rate above base rate			1.125%
Line of Credit \| Term Loan Facility \| 2017 Term Loan Facility \| Eurodollar \| Maximum
Debt Instrument [Line Items]
Interest rate above base rate			1.875%
Line of Credit \| Term Loan Facility \| 2018 Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Interest rate on debt instruments			3.10%
Line of Credit \| Term Loan Facility \| 2018 Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Interest rate on debt instruments			3.40%
Line of Credit \| Term Loan Facility \| 2018 Term Loan Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 350,000,000
Line of Credit \| Term Loan Facility \| 2018 Term Loan Facility \| Minimum
Debt Instrument [Line Items]
Interest rate on debt instruments			3.30%
Line of Credit \| Term Loan Facility \| 2018 Term Loan Facility \| Maximum
Debt Instrument [Line Items]
Interest rate on debt instruments			3.80%
Line of Credit \| Term Loan Facility \| 2018 Term Loan Facility \| Base Rate
Debt Instrument [Line Items]
Interest rate above base rate			0.125%
Line of Credit \| Term Loan Facility \| 2018 Term Loan Facility \| Eurodollar
Debt Instrument [Line Items]
Interest rate above base rate			1.125%