XML 139 R120.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Segment Information - Financial Information by Geographic Area (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 29, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 30, 2016 | Sep. 30, 2016 | Jul. 01, 2016 | Apr. 01, 2016 | Jan. 01, 2016 | Oct. 02, 2015 | Jun. 26, 2015 | Mar. 27, 2015 | Dec. 26, 2014 | Sep. 29, 2017 | Sep. 30, 2016 | Oct. 02, 2015
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 2,653,866 | $ 2,514,751 | $ 2,302,567 | $ 2,551,604 | $ 2,640,587 | $ 2,693,873 | $ 2,781,763 | $ 2,847,934 | $ 3,116,954 | $ 2,907,541 | $ 2,903,332 | $ 3,187,005 | $ 10,022,788 | $ 10,964,157 | $ 12,114,832
Property, equipment and improvements, net | 349,911 |  |  |  | 319,673 |  |  |  | 381,238 |  |  |  | 349,911 | 319,673 | 381,238
United States |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 5,822,843 | 6,247,448 | 7,154,433
Property, equipment and improvements, net | 220,416 |  |  |  | 195,392 |  |  |  | 208,155 |  |  |  | 220,416 | 195,392 | 208,155
Europe |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 2,262,092 | 2,346,224 | 2,074,837
Property, equipment and improvements, net | 46,108 |  |  |  | 37,163 |  |  |  | 55,713 |  |  |  | 46,108 | 37,163 | 55,713
Canada |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 590,604 | 927,942 | 1,065,651
Property, equipment and improvements, net | 18,435 |  |  |  | 21,464 |  |  |  | 36,647 |  |  |  | 18,435 | 21,464 | 36,647
Asia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 253,167 | 299,952 | 304,393
Property, equipment and improvements, net | 2,793 |  |  |  | 3,069 |  |  |  | 3,859 |  |  |  | 2,793 | 3,069 | 3,859
India |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 165,295 | 187,929 | 163,871
Property, equipment and improvements, net | 19,191 |  |  |  | 13,350 |  |  |  | 16,264 |  |  |  | 19,191 | 13,350 | 16,264
Australia and New Zealand |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 628,945 | 436,670 | 611,271
Property, equipment and improvements, net | 18,692 |  |  |  | 18,888 |  |  |  | 24,460 |  |  |  | 18,692 | 18,888 | 24,460
South America and Mexico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 73,456 | 125,610 | 143,014
Property, equipment and improvements, net | 4,619 |  |  |  | 5,621 |  |  |  | 9,127 |  |  |  | 4,619 | 5,621 | 9,127
Middle East and Africa |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 226,386 | 392,382 | 597,362
Property, equipment and improvements, net | $ 19,657 |  |  |  | $ 24,726 |  |  |  | $ 27,013 |  |  |  | $ 19,657 | $ 24,726 | $ 27,013

X
- Definition 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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_AsiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_IN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=jec_AustraliaAndNewZealandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=jec_SouthAmericaAndMexicoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=jec_MiddleEastAndAfricaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |