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 Interest, Floor Rate

+ References

No definition available.

+ Details

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Namespace Prefix:	jbl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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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=119993939&loc=d3e28551-108399

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

+ Details

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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=120520924&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
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-URI http://asc.fasb.org/extlink&oid=119993939&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=120391452&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

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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

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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

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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

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

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

- 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

+ Details

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Namespace Prefix:	us-gaap_
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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

+ Details

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Namespace Prefix:	us-gaap_
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Notes Payable and Long-Term Debt (Summary Footnotes) (Details) - USD ($)			12 Months Ended
	Jul. 13, 2020	Apr. 24, 2020	Aug. 31, 2020	May 29, 2020	Jan. 22, 2020	Jan. 15, 2020
Debt Instrument [Line Items]
Commercial paper, maximum borrowing capacity			$ 1,800,000,000
364 Day Revolving Credit Agreement \| Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 375,000,000.0		$ 425,000,000.0
Credit agreement term		364 days
Borrowings			$ 0
364 Day Revolving Credit Agreement \| Revolving Credit Facility \| Line of Credit \| Eurodollar
Debt Instrument [Line Items]
Debt interest, floor rate			0.75%
364 Day Revolving Credit Agreement \| Revolving Credit Facility \| Line of Credit \| LIBOR
Debt Instrument [Line Items]
Debt interest, floor rate			0.75%
Senior Notes \| 3.600% Senior Notes
Debt Instrument [Line Items]
Debt issuance						$ 500,000,000.0
Senior notes, stated interest rate (as a percent)			3.60%			3.60%
Senior Notes \| 3.000% Senior Notes
Debt Instrument [Line Items]
Debt issuance	$ 600,000,000.0
Senior notes, stated interest rate (as a percent)	3.00%		3.00%
Senior Notes \| 5.625% Senior Notes
Debt Instrument [Line Items]
Senior notes, stated interest rate (as a percent)	5.625%		5.625%
Redemption of debt outstanding	$ 400,000,000.0
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 2,700,000,000
Unused borrowing capacity under revolving credit facilities, net of letters of credit			$ 3,700,000,000
Line of Credit \| Revolving Credit Facility \| Federal Funds Rate
Debt Instrument [Line Items]
Interest rate above base rate			0.50%
Line of Credit \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Interest rate above base rate			1.00%
Line of Credit \| Revolving Credit Facility \| Minimum \| Base Rate
Debt Instrument [Line Items]
Interest rate above base rate			0.00%
Line of Credit \| Revolving Credit Facility \| Minimum \| Eurodollar
Debt Instrument [Line Items]
Interest rate above base rate			0.975%
Line of Credit \| Revolving Credit Facility \| Maximum \| Base Rate
Debt Instrument [Line Items]
Interest rate above base rate			0.45%
Line of Credit \| Revolving Credit Facility \| Maximum \| Base Rate \| Debt Rating One
Debt Instrument [Line Items]
Interest rate above base rate			0.45%
Line of Credit \| Revolving Credit Facility \| Maximum \| Base Rate \| Debt Rating Two
Debt Instrument [Line Items]
Interest rate above base rate			0.525%
Line of Credit \| Revolving Credit Facility \| Maximum \| Base Rate \| Debt Rating Three
Debt Instrument [Line Items]
Interest rate above base rate			0.80%
Line of Credit \| Revolving Credit Facility \| Maximum \| Eurodollar
Debt Instrument [Line Items]
Interest rate above base rate			1.45%
Line of Credit \| Revolving Credit Facility \| Maximum \| Eurodollar \| Debt Rating One
Debt Instrument [Line Items]
Interest rate above base rate			1.45%
Line of Credit \| Revolving Credit Facility \| Maximum \| Eurodollar \| Debt Rating Two
Debt Instrument [Line Items]
Interest rate above base rate			1.525%
Line of Credit \| Revolving Credit Facility \| Maximum \| Eurodollar \| Debt Rating Three
Debt Instrument [Line Items]
Interest rate above base rate			1.80%
Line of Credit \| Medium-term Notes
Debt Instrument [Line Items]
Maximum borrowing capacity					300,000,000.0
Line of Credit \| Medium-term Notes \| Minimum \| Base Rate
Debt Instrument [Line Items]
Interest rate above base rate			0.125%
Line of Credit \| Medium-term Notes \| Minimum \| Eurodollar
Debt Instrument [Line Items]
Interest rate above base rate			1.125%
Line of Credit \| Medium-term Notes \| Maximum \| Base Rate
Debt Instrument [Line Items]
Interest rate above base rate			0.75%
Line of Credit \| Medium-term Notes \| Maximum \| Eurodollar
Debt Instrument [Line Items]
Interest rate above base rate			1.75%
Line of Credit \| Credit Facility Due January 2023 \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity					700,000,000.0
Line of Credit \| Credit Facility Due January 2025 \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 2,000,000,000.0
Line of Credit \| 2017 Revolving Credit Facility \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Interest rate on debt instruments			1.20%
Line of Credit \| 2017 Revolving Credit Facility \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Interest rate on debt instruments			4.30%
Line of Credit \| 2017 Term Loan Facility \| Term Loan Facility \| Minimum
Debt Instrument [Line Items]
Interest rate on debt instruments			1.60%
Line of Credit \| 2017 Term Loan Facility \| Term Loan Facility \| Maximum
Debt Instrument [Line Items]
Interest rate on debt instruments			2.90%