Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000807882-22-000013-index-headers.html | 2022-08-10 08:54:13 | |
| 0000807882-22-000013-index.html | 2022-08-10 08:54:13 | |
| 0000807882-22-000013.txt | 2022-08-10 08:54:13 | |
 0000807882-22-000013-xbrl.zip | 493242 | 2022-08-10 08:54:13 |
| ex311q32022.htm | 9859 | 2022-08-10 08:54:13 |
| ex312q32022.htm | 9856 | 2022-08-10 08:54:13 |
| ex321q32022.htm | 4295 | 2022-08-10 08:54:13 |
| ex322q32022.htm | 4292 | 2022-08-10 08:54:13 |
| FilingSummary.xml | 46301 | 2022-08-10 08:54:13 |
| Financial_Report.xlsx | 121998 | 2022-08-10 08:54:13 |
| jack-20220710.htm | 2018306 | 2022-08-10 08:54:13 |
| jack-20220710.xsd | 64688 | 2022-08-10 08:54:13 |
| jack-20220710_cal.xml | 139980 | 2022-08-10 08:54:13 |
| jack-20220710_def.xml | 296880 | 2022-08-10 08:54:13 |
 jack-20220710_g1.jpg | 98726 | 2022-08-10 08:54:13 |
 jack-20220710_g2.jpg | 94466 | 2022-08-10 08:54:13 |
| jack-20220710_htm.xml | 2190663 | 2022-08-10 08:54:13 |
| jack-20220710_lab.xml | 741691 | 2022-08-10 08:54:13 |
| jack-20220710_pre.xml | 494271 | 2022-08-10 08:54:13 |
| MetaLinks.json | 808584 | 2022-08-10 08:54:13 |
| R1.htm | 52123 | 2022-08-10 08:54:13 |
| R10.htm | 6308 | 2022-08-10 08:54:13 |
| R11.htm | 33182 | 2022-08-10 08:54:13 |
| R12.htm | 39059 | 2022-08-10 08:54:13 |
| R13.htm | 34219 | 2022-08-10 08:54:13 |
| R14.htm | 36472 | 2022-08-10 08:54:13 |
| R15.htm | 24481 | 2022-08-10 08:54:13 |
| R16.htm | 61199 | 2022-08-10 08:54:13 |
| R17.htm | 7507 | 2022-08-10 08:54:13 |
| R18.htm | 39675 | 2022-08-10 08:54:13 |
| R19.htm | 162678 | 2022-08-10 08:54:13 |
| R2.htm | 128868 | 2022-08-10 08:54:13 |
| R20.htm | 23212 | 2022-08-10 08:54:13 |
| R21.htm | 13082 | 2022-08-10 08:54:13 |
| R22.htm | 14459 | 2022-08-10 08:54:13 |
| R23.htm | 49761 | 2022-08-10 08:54:13 |
| R24.htm | 5257 | 2022-08-10 08:54:13 |
| R25.htm | 32260 | 2022-08-10 08:54:13 |
| R26.htm | 12811 | 2022-08-10 08:54:13 |
| R27.htm | 77566 | 2022-08-10 08:54:13 |
| R28.htm | 68755 | 2022-08-10 08:54:13 |
| R29.htm | 37536 | 2022-08-10 08:54:13 |
| R3.htm | 17677 | 2022-08-10 08:54:13 |
| R30.htm | 58116 | 2022-08-10 08:54:13 |
| R31.htm | 33563 | 2022-08-10 08:54:13 |
| R32.htm | 26600 | 2022-08-10 08:54:13 |
| R33.htm | 22938 | 2022-08-10 08:54:13 |
| R34.htm | 56860 | 2022-08-10 08:54:13 |
| R35.htm | 36499 | 2022-08-10 08:54:13 |
| R36.htm | 157015 | 2022-08-10 08:54:13 |
| R37.htm | 22711 | 2022-08-10 08:54:13 |
| R38.htm | 13598 | 2022-08-10 08:54:13 |
| R39.htm | 49204 | 2022-08-10 08:54:13 |
| R4.htm | 87980 | 2022-08-10 08:54:13 |
| R40.htm | 21728 | 2022-08-10 08:54:13 |
| R41.htm | 9889 | 2022-08-10 08:54:13 |
| R42.htm | 5740 | 2022-08-10 08:54:13 |
| R43.htm | 44753 | 2022-08-10 08:54:13 |
| R44.htm | 11489 | 2022-08-10 08:54:13 |
| R45.htm | 17791 | 2022-08-10 08:54:13 |
| R46.htm | 17528 | 2022-08-10 08:54:13 |
| R47.htm | 48259 | 2022-08-10 08:54:13 |
| R48.htm | 39094 | 2022-08-10 08:54:13 |
| R49.htm | 99710 | 2022-08-10 08:54:13 |
| R5.htm | 29820 | 2022-08-10 08:54:13 |
| R50.htm | 16005 | 2022-08-10 08:54:13 |
| R51.htm | 7468 | 2022-08-10 08:54:13 |
| R52.htm | 11623 | 2022-08-10 08:54:13 |
| R53.htm | 12067 | 2022-08-10 08:54:13 |
| R54.htm | 17412 | 2022-08-10 08:54:13 |
| R55.htm | 12938 | 2022-08-10 08:54:13 |
| R56.htm | 9806 | 2022-08-10 08:54:13 |
| R57.htm | 16197 | 2022-08-10 08:54:13 |
| R58.htm | 51097 | 2022-08-10 08:54:13 |
| R59.htm | 20155 | 2022-08-10 08:54:13 |
| R6.htm | 109784 | 2022-08-10 08:54:13 |
| R60.htm | 18408 | 2022-08-10 08:54:13 |
| R61.htm | 9052 | 2022-08-10 08:54:13 |
| R62.htm | 37008 | 2022-08-10 08:54:13 |
| R63.htm | 60311 | 2022-08-10 08:54:13 |
| R64.htm | 20828 | 2022-08-10 08:54:13 |
| R65.htm | 18048 | 2022-08-10 08:54:13 |
| R66.htm | 39171 | 2022-08-10 08:54:13 |
| R67.htm | 4727 | 2022-08-10 08:54:13 |
| R68.htm | 7625 | 2022-08-10 08:54:13 |
| R69.htm | 25972 | 2022-08-10 08:54:13 |
| R7.htm | 23524 | 2022-08-10 08:54:13 |
| R70.htm | 12380 | 2022-08-10 08:54:13 |
| R71.htm | 65814 | 2022-08-10 08:54:13 |
| R72.htm | 15814 | 2022-08-10 08:54:13 |
| R73.htm | 21615 | 2022-08-10 08:54:13 |
| R74.htm | 14027 | 2022-08-10 08:54:13 |
| R75.htm | 13225 | 2022-08-10 08:54:13 |
| R76.htm | 89077 | 2022-08-10 08:54:13 |
| R77.htm | 7703 | 2022-08-10 08:54:13 |
| R8.htm | 79265 | 2022-08-10 08:54:13 |
| R9.htm | 77262 | 2022-08-10 08:54:13 |
| report.css | 2767 | 2022-08-10 08:54:13 |
| Show.js | 1085 | 2022-08-10 08:54:13 |