Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000052988-20-000033-index-headers.html | 2020-05-06 16:28:26 | |
| 0000052988-20-000033-index.html | 2020-05-06 16:28:26 | |
| 0000052988-20-000033.txt | 2020-05-06 16:28:26 | |
 0000052988-20-000033-xbrl.zip | 423787 | 2020-05-06 16:28:26 |
| exhibit311q2fy2020.htm | 11627 | 2020-05-06 16:28:26 |
| exhibit312q2fy2020.htm | 11656 | 2020-05-06 16:28:26 |
| exhibit321q2fy2020.htm | 5181 | 2020-05-06 16:28:26 |
| exhibit322q2fy2020.htm | 5429 | 2020-05-06 16:28:26 |
| FilingSummary.xml | 48922 | 2020-05-06 16:28:26 |
| Financial_Report.xlsx | 106384 | 2020-05-06 16:28:26 |
| jec-20200327.htm | 2713404 | 2020-05-06 16:28:26 |
| jec-20200327.xsd | 61047 | 2020-05-06 16:28:26 |
| jec-20200327_cal.xml | 142890 | 2020-05-06 16:28:26 |
| jec-20200327_def.xml | 341612 | 2020-05-06 16:28:26 |
 jec-20200327_g1.jpg | 45205 | 2020-05-06 16:28:26 |
| jec-20200327_htm.xml | 2341678 | 2020-05-06 16:28:26 |
| jec-20200327_lab.xml | 806719 | 2020-05-06 16:28:26 |
| jec-20200327_pre.xml | 545966 | 2020-05-06 16:28:26 |
| MetaLinks.json | 779117 | 2020-05-06 16:28:26 |
| R1.htm | 53780 | 2020-05-06 16:28:26 |
| R10.htm | 5617 | 2020-05-06 16:28:26 |
| R11.htm | 10528 | 2020-05-06 16:28:26 |
| R12.htm | 8633 | 2020-05-06 16:28:26 |
| R13.htm | 56209 | 2020-05-06 16:28:26 |
| R14.htm | 62442 | 2020-05-06 16:28:26 |
| R15.htm | 61060 | 2020-05-06 16:28:26 |
| R16.htm | 71438 | 2020-05-06 16:28:26 |
| R17.htm | 20455 | 2020-05-06 16:28:26 |
| R18.htm | 13223 | 2020-05-06 16:28:26 |
| R19.htm | 72552 | 2020-05-06 16:28:26 |
| R2.htm | 89983 | 2020-05-06 16:28:26 |
| R20.htm | 45088 | 2020-05-06 16:28:26 |
| R21.htm | 47336 | 2020-05-06 16:28:26 |
| R22.htm | 110053 | 2020-05-06 16:28:26 |
| R23.htm | 41874 | 2020-05-06 16:28:26 |
| R24.htm | 23724 | 2020-05-06 16:28:26 |
| R25.htm | 11193 | 2020-05-06 16:28:26 |
| R26.htm | 148980 | 2020-05-06 16:28:26 |
| R27.htm | 23486 | 2020-05-06 16:28:26 |
| R28.htm | 19703 | 2020-05-06 16:28:26 |
| R29.htm | 53662 | 2020-05-06 16:28:26 |
| R3.htm | 18984 | 2020-05-06 16:28:26 |
| R30.htm | 67210 | 2020-05-06 16:28:26 |
| R31.htm | 49245 | 2020-05-06 16:28:26 |
| R32.htm | 66303 | 2020-05-06 16:28:26 |
| R33.htm | 18571 | 2020-05-06 16:28:26 |
| R34.htm | 76950 | 2020-05-06 16:28:26 |
| R35.htm | 37673 | 2020-05-06 16:28:26 |
| R36.htm | 42791 | 2020-05-06 16:28:26 |
| R37.htm | 52041 | 2020-05-06 16:28:26 |
| R38.htm | 42148 | 2020-05-06 16:28:26 |
| R39.htm | 23573 | 2020-05-06 16:28:26 |
| R4.htm | 86768 | 2020-05-06 16:28:26 |
| R40.htm | 145741 | 2020-05-06 16:28:26 |
| R41.htm | 25561 | 2020-05-06 16:28:26 |
| R42.htm | 36856 | 2020-05-06 16:28:26 |
| R43.htm | 56999 | 2020-05-06 16:28:26 |
| R44.htm | 15373 | 2020-05-06 16:28:26 |
| R45.htm | 19368 | 2020-05-06 16:28:26 |
| R46.htm | 23844 | 2020-05-06 16:28:26 |
| R47.htm | 4531 | 2020-05-06 16:28:26 |
| R48.htm | 17125 | 2020-05-06 16:28:26 |
| R49.htm | 57840 | 2020-05-06 16:28:26 |
| R5.htm | 43195 | 2020-05-06 16:28:26 |
| R50.htm | 36724 | 2020-05-06 16:28:26 |
| R51.htm | 4582 | 2020-05-06 16:28:26 |
| R52.htm | 54651 | 2020-05-06 16:28:26 |
| R53.htm | 16583 | 2020-05-06 16:28:26 |
| R54.htm | 32714 | 2020-05-06 16:28:26 |
| R55.htm | 26413 | 2020-05-06 16:28:26 |
| R56.htm | 17702 | 2020-05-06 16:28:26 |
| R57.htm | 15269 | 2020-05-06 16:28:26 |
| R58.htm | 13328 | 2020-05-06 16:28:26 |
| R59.htm | 74252 | 2020-05-06 16:28:26 |
| R6.htm | 60958 | 2020-05-06 16:28:26 |
| R60.htm | 48961 | 2020-05-06 16:28:26 |
| R61.htm | 23477 | 2020-05-06 16:28:26 |
| R62.htm | 4952 | 2020-05-06 16:28:26 |
| R63.htm | 10105 | 2020-05-06 16:28:26 |
| R64.htm | 17358 | 2020-05-06 16:28:26 |
| R65.htm | 11201 | 2020-05-06 16:28:26 |
| R66.htm | 11828 | 2020-05-06 16:28:26 |
| R67.htm | 11463 | 2020-05-06 16:28:26 |
| R68.htm | 19737 | 2020-05-06 16:28:26 |
| R69.htm | 18204 | 2020-05-06 16:28:26 |
| R7.htm | 15217 | 2020-05-06 16:28:26 |
| R70.htm | 8191 | 2020-05-06 16:28:26 |
| R71.htm | 7714 | 2020-05-06 16:28:26 |
| R72.htm | 27032 | 2020-05-06 16:28:26 |
| R73.htm | 23988 | 2020-05-06 16:28:26 |
| R74.htm | 69762 | 2020-05-06 16:28:26 |
| R75.htm | 20291 | 2020-05-06 16:28:26 |
| R76.htm | 11983 | 2020-05-06 16:28:26 |
| R77.htm | 8122 | 2020-05-06 16:28:26 |
| R78.htm | 36457 | 2020-05-06 16:28:26 |
| R8.htm | 96378 | 2020-05-06 16:28:26 |
| R9.htm | 15970 | 2020-05-06 16:28:26 |
| R9999.htm | 8017 | 2020-05-06 16:28:26 |
| report.css | 2767 | 2020-05-06 16:28:26 |
| Show.js | 1085 | 2020-05-06 16:28:26 |