XML 84 R65.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Restructuring and Other Charges - Summary of 2015 Restructuring Impacts on Reportable Segment Income by Line of Business (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 | Jul. 01, 2016 | Apr. 01, 2016 | Jan. 01, 2016 | Oct. 02, 2015 | Jun. 26, 2015 | Mar. 27, 2015 | Sep. 26, 2014 | Jun. 27, 2014 | Sep. 29, 2017 | Sep. 30, 2016 | Oct. 02, 2015 | Sep. 26, 2014
Restructuring Charges [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges | $ 36,000 | $ 25,800 | $ 25,700 | $ 48,100 | $ 68,200 | $ 30,100 | $ 9,600 | $ 30,400 | $ 47,000 | $ 98,688 | $ 187,907 | $ 157,192 | $ 93,300
Operating Segments | Aerospace & Technology |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  |  | 1,820 | 5,835 |  |
Operating Segments | Buildings & Infrastructure |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  |  | 23,675 | 23,378 |  |
Operating Segments | Industrial |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  |  | 6,698 | 29,690 |  |
Operating Segments | Petroleum & Chemicals |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  |  | 36,664 | 87,188 |  |
Corporate Non-Segment |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring Charges |  |  |  |  |  |  |  |  |  | $ 29,831 | $ 41,816 |  |

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jec_AerospaceAndTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jec_BuildingsAndInfrastructureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jec_IndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jec_PetroleumAndChemicalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |