Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000726958-24-000010-index-headers.html | 2024-03-11 16:29:13 | |
| 0000726958-24-000010-index.html | 2024-03-11 16:29:13 | |
| 0000726958-24-000010.txt | 2024-03-11 16:29:13 | |
 0000726958-24-000010-xbrl.zip | 119781 | 2024-03-11 16:29:13 |
| casy-20240131.htm | 639667 | 2024-03-11 16:29:13 |
| casy-20240131.xsd | 22892 | 2024-03-11 16:29:13 |
| casy-20240131_cal.xml | 45808 | 2024-03-11 16:29:13 |
| casy-20240131_def.xml | 95481 | 2024-03-11 16:29:13 |
| casy-20240131_htm.xml | 217322 | 2024-03-11 16:29:13 |
| casy-20240131_lab.xml | 309011 | 2024-03-11 16:29:13 |
| casy-20240131_pre.xml | 202656 | 2024-03-11 16:29:13 |
| casy-ex311_2024131xq3.htm | 9209 | 2024-03-11 16:29:13 |
| casy-ex312_2024131xq3.htm | 9140 | 2024-03-11 16:29:13 |
| casy-ex321_2024131xq3.htm | 5585 | 2024-03-11 16:29:13 |
| casy-ex322_2024131xq3.htm | 5566 | 2024-03-11 16:29:13 |
| FilingSummary.xml | 18728 | 2024-03-11 16:29:13 |
| Financial_Report.xlsx | 47888 | 2024-03-11 16:29:13 |
| MetaLinks.json | 445167 | 2024-03-11 16:29:13 |
| R1.htm | 51566 | 2024-03-11 16:29:13 |
| R10.htm | 11114 | 2024-03-11 16:29:13 |
| R11.htm | 10158 | 2024-03-11 16:29:13 |
| R12.htm | 17712 | 2024-03-11 16:29:13 |
| R13.htm | 31815 | 2024-03-11 16:29:13 |
| R14.htm | 10672 | 2024-03-11 16:29:13 |
| R15.htm | 9113 | 2024-03-11 16:29:13 |
| R16.htm | 9199 | 2024-03-11 16:29:13 |
| R17.htm | 19941 | 2024-03-11 16:29:13 |
| R18.htm | 12394 | 2024-03-11 16:29:13 |
| R19.htm | 30456 | 2024-03-11 16:29:13 |
| R2.htm | 91626 | 2024-03-11 16:29:13 |
| R20.htm | 7135 | 2024-03-11 16:29:13 |
| R21.htm | 10541 | 2024-03-11 16:29:13 |
| R22.htm | 55980 | 2024-03-11 16:29:13 |
| R23.htm | 45977 | 2024-03-11 16:29:13 |
| R24.htm | 25834 | 2024-03-11 16:29:13 |
| R25.htm | 15446 | 2024-03-11 16:29:13 |
| R26.htm | 32079 | 2024-03-11 16:29:13 |
| R27.htm | 13689 | 2024-03-11 16:29:13 |
| R28.htm | 9733 | 2024-03-11 16:29:13 |
| R29.htm | 12931 | 2024-03-11 16:29:13 |
| R3.htm | 5144 | 2024-03-11 16:29:13 |
| R30.htm | 11480 | 2024-03-11 16:29:13 |
| R4.htm | 65986 | 2024-03-11 16:29:13 |
| R5.htm | 63782 | 2024-03-11 16:29:13 |
| R6.htm | 4846 | 2024-03-11 16:29:13 |
| R7.htm | 89555 | 2024-03-11 16:29:13 |
| R8.htm | 6143 | 2024-03-11 16:29:13 |
| R9.htm | 9892 | 2024-03-11 16:29:13 |
| report.css | 2767 | 2024-03-11 16:29:13 |
| Show.js | 1085 | 2024-03-11 16:29:13 |