XML 69 R55.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Restructuring and Other Charges - Summary of Restructuring and Other Charges Impacts on Reportable Segment Income by Line of Business (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 28, 2018 | Dec. 29, 2017
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | $ 39,401 |
Operating Segments | Buildings, Infrastructure and Advanced Facilities |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | 22,600 |
CH2M HILL Companies, Ltd. |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | 39,401 | $ 19,349
Continuing Operations | CH2M HILL Companies, Ltd. |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | 45,059 | 15,728
Continuing Operations | CH2M HILL Companies, Ltd. | Operating Segments | Aerospace, Technology and Nuclear |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | 449 | 312
Continuing Operations | CH2M HILL Companies, Ltd. | Operating Segments | Buildings, Infrastructure and Advanced Facilities |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | 11,224 | 2,891
Continuing Operations | CH2M HILL Companies, Ltd. | Corporate |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | 33,386 | 12,525
Discontinued Operations | CH2M HILL Companies, Ltd. | Operating Segments | Energy, Chemicals and Resources |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Charges | $ (5,658) | $ 3,621

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_BuildingsAndInfrastructureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=jec_CH2MHILLCompaniesLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_StatementOperatingActivitiesSegmentAxis=us-gaap_SegmentDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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