[Line Items] for Amount Received From Trade Accounts Receivable Sold To Third Party

No definition available.

Name:	plxs_AmountReceivedFromTradeAccountsReceivableSoldToThirdPartyLineItems
Namespace Prefix:	plxs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Transfer of Financial Assets Accounted for as Sales, Facility Agreement, Automatic Extension Cancellation, Minimum Notice Period Required

+ References

No definition available.

+ Details

Name:	plxs_TransferofFinancialAssetsAccountedforasSalesFacilityAgreementAutomaticExtensionCancellationMinimumNoticePeriodRequired
Namespace Prefix:	plxs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Transfer of Financial Assets Accounted for as Sales, Maximum Facility Amount

+ References

No definition available.

+ Details

Name:	plxs_TransferofFinancialAssetsAccountedforasSalesMaximumFacilityAmount
Namespace Prefix:	plxs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction, at the date of derecognition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719

+ Details

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

- Definition

Amount, before counterparty netting, of cash proceeds received in transfers of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719

+ Details

Name:	us-gaap_TransferOfFinancialAssetsAccountedForAsSalesCashProceedsReceivedForAssetsDerecognizedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	srt_CounterpartyNameAxis=plxs_MUFGMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=plxs_HSBCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Trade Accounts Receivable Sale Programs - Narrative (Details) - USD ($)	12 Months Ended
	Sep. 28, 2019	Jun. 21, 2019	Sep. 29, 2018	Sep. 30, 2017
Amount Received From Trade Accounts Receivable Sold To Third Party [Line Items]
Trade accounts receivable sold	$ 919,300,000		$ 712,900,000	$ 418,000,000.0
Cash proceeds	913,600,000		$ 708,600,000	$ 415,800,000
MUFG RPA
Amount Received From Trade Accounts Receivable Sold To Third Party [Line Items]
Maximum facility amount	$ 280,000,000.0	$ 260,000,000.0
Minimum prior notice required to cancel automatic extension	10 days
HSBC RPA
Amount Received From Trade Accounts Receivable Sold To Third Party [Line Items]
Maximum facility amount	$ 60,000,000.0