Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000726958-23-000089-index-headers.html | 2023-09-11 16:17:07 | |
| 0000726958-23-000089-index.html | 2023-09-11 16:17:07 | |
| 0000726958-23-000089.txt | 2023-09-11 16:17:07 | |
 0000726958-23-000089-xbrl.zip | 106557 | 2023-09-11 16:17:07 |
| casy-20230731.htm | 493870 | 2023-09-11 16:17:07 |
| casy-20230731.xsd | 19890 | 2023-09-11 16:17:07 |
| casy-20230731_cal.xml | 35916 | 2023-09-11 16:17:07 |
| casy-20230731_def.xml | 82758 | 2023-09-11 16:17:07 |
| casy-20230731_htm.xml | 123923 | 2023-09-11 16:17:07 |
| casy-20230731_lab.xml | 302625 | 2023-09-11 16:17:07 |
| casy-20230731_pre.xml | 181143 | 2023-09-11 16:17:07 |
| casy-ex311_2023731xq1.htm | 9213 | 2023-09-11 16:17:07 |
| casy-ex312_2023731xq1.htm | 9144 | 2023-09-11 16:17:07 |
| casy-ex321_2023731xq1.htm | 5586 | 2023-09-11 16:17:07 |
| casy-ex322_2023731xq1.htm | 5567 | 2023-09-11 16:17:07 |
| FilingSummary.xml | 17199 | 2023-09-11 16:17:07 |
| Financial_Report.xlsx | 39175 | 2023-09-11 16:17:07 |
| MetaLinks.json | 420199 | 2023-09-11 16:17:07 |
| R1.htm | 51564 | 2023-09-11 16:17:07 |
| R10.htm | 9271 | 2023-09-11 16:17:07 |
| R11.htm | 10016 | 2023-09-11 16:17:07 |
| R12.htm | 18548 | 2023-09-11 16:17:07 |
| R13.htm | 10467 | 2023-09-11 16:17:07 |
| R14.htm | 9078 | 2023-09-11 16:17:07 |
| R15.htm | 9195 | 2023-09-11 16:17:07 |
| R16.htm | 5105 | 2023-09-11 16:17:07 |
| R17.htm | 11979 | 2023-09-11 16:17:07 |
| R18.htm | 13231 | 2023-09-11 16:17:07 |
| R19.htm | 7133 | 2023-09-11 16:17:07 |
| R2.htm | 93666 | 2023-09-11 16:17:07 |
| R20.htm | 12893 | 2023-09-11 16:17:07 |
| R21.htm | 55964 | 2023-09-11 16:17:07 |
| R22.htm | 46743 | 2023-09-11 16:17:07 |
| R23.htm | 25831 | 2023-09-11 16:17:07 |
| R24.htm | 9731 | 2023-09-11 16:17:07 |
| R25.htm | 12926 | 2023-09-11 16:17:07 |
| R26.htm | 11478 | 2023-09-11 16:17:07 |
| R27.htm | 10343 | 2023-09-11 16:17:07 |
| R3.htm | 5142 | 2023-09-11 16:17:07 |
| R4.htm | 64414 | 2023-09-11 16:17:07 |
| R5.htm | 45009 | 2023-09-11 16:17:07 |
| R6.htm | 4320 | 2023-09-11 16:17:07 |
| R7.htm | 87599 | 2023-09-11 16:17:07 |
| R8.htm | 6112 | 2023-09-11 16:17:07 |
| R9.htm | 7452 | 2023-09-11 16:17:07 |
| report.css | 2767 | 2023-09-11 16:17:07 |
| Show.js | 1085 | 2023-09-11 16:17:07 |