Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 03, 2015	Sep. 27, 2014
Property, Plant and Equipment, Net [Abstract]
Land, buildings and improvements	$ 282,134plxs_LandBuildingsAndImprovements	$ 283,569plxs_LandBuildingsAndImprovements
Machinery and equipment	331,407us-gaap_MachineryAndEquipmentGross	331,981us-gaap_MachineryAndEquipmentGross
Computer hardware and software	97,840plxs_ComputerHardwareAndSoftware	95,780plxs_ComputerHardwareAndSoftware
Construction in progress	10,761us-gaap_ConstructionInProgressGross	9,694us-gaap_ConstructionInProgressGross
Property, plant and equipment, gross	722,142us-gaap_PropertyPlantAndEquipmentGross	721,024us-gaap_PropertyPlantAndEquipmentGross
Less: accumulated depreciation	394,565	386,098
Property, plant and equipment, net	$ 327,577us-gaap_PropertyPlantAndEquipmentNet	$ 334,926us-gaap_PropertyPlantAndEquipmentNet

Computer Hardware And Software

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- Definition

Land Buildings And Improvements

+ References

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

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-Name Accounting Standards Codification

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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- Definition

Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

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- Definition

Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (b)

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-Paragraph 4

-Subparagraph (f)

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Name Accounting Standards Codification

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Subparagraph (SX 210.5-02.13)

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