Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-017588-index-headers.html | 2022-08-18 16:11:00 | |
| 0000950170-22-017588-index.html | 2022-08-18 16:11:00 | |
| 0000950170-22-017588.txt | 2022-08-18 16:11:00 | |
 0000950170-22-017588-xbrl.zip | 666118 | 2022-08-18 16:11:00 |
| FilingSummary.xml | 35113 | 2022-08-18 16:11:00 |
| Financial_Report.xlsx | 79457 | 2022-08-18 16:11:00 |
 img253415392_0.jpg | 621487 | 2022-08-18 16:11:00 |
| MetaLinks.json | 630356 | 2022-08-18 16:11:00 |
| R1.htm | 53125 | 2022-08-18 16:11:00 |
| R10.htm | 15699 | 2022-08-18 16:11:00 |
| R11.htm | 589516 | 2022-08-18 16:11:00 |
| R12.htm | 33949 | 2022-08-18 16:11:00 |
| R13.htm | 181405 | 2022-08-18 16:11:00 |
| R14.htm | 43849 | 2022-08-18 16:11:00 |
| R15.htm | 10660 | 2022-08-18 16:11:00 |
| R16.htm | 21231 | 2022-08-18 16:11:00 |
| R17.htm | 12972 | 2022-08-18 16:11:00 |
| R18.htm | 144609 | 2022-08-18 16:11:00 |
| R19.htm | 127960 | 2022-08-18 16:11:00 |
| R2.htm | 108298 | 2022-08-18 16:11:00 |
| R20.htm | 50000 | 2022-08-18 16:11:00 |
| R21.htm | 338440 | 2022-08-18 16:11:00 |
| R22.htm | 580601 | 2022-08-18 16:11:00 |
| R23.htm | 33667 | 2022-08-18 16:11:00 |
| R24.htm | 175849 | 2022-08-18 16:11:00 |
| R25.htm | 37239 | 2022-08-18 16:11:00 |
| R26.htm | 138314 | 2022-08-18 16:11:00 |
| R27.htm | 125946 | 2022-08-18 16:11:00 |
| R28.htm | 48912 | 2022-08-18 16:11:00 |
| R29.htm | 334879 | 2022-08-18 16:11:00 |
| R3.htm | 14659 | 2022-08-18 16:11:00 |
| R30.htm | 62805 | 2022-08-18 16:11:00 |
| R31.htm | 12290 | 2022-08-18 16:11:00 |
| R32.htm | 19575 | 2022-08-18 16:11:00 |
| R33.htm | 4916 | 2022-08-18 16:11:00 |
| R34.htm | 14252 | 2022-08-18 16:11:00 |
| R35.htm | 17457 | 2022-08-18 16:11:00 |
| R36.htm | 20969 | 2022-08-18 16:11:00 |
| R37.htm | 30228 | 2022-08-18 16:11:00 |
| R38.htm | 8492 | 2022-08-18 16:11:00 |
| R39.htm | 20781 | 2022-08-18 16:11:00 |
| R4.htm | 77574 | 2022-08-18 16:11:00 |
| R40.htm | 13372 | 2022-08-18 16:11:00 |
| R41.htm | 5848 | 2022-08-18 16:11:00 |
| R42.htm | 23614 | 2022-08-18 16:11:00 |
| R43.htm | 12301 | 2022-08-18 16:11:00 |
| R44.htm | 8777 | 2022-08-18 16:11:00 |
| R45.htm | 23456 | 2022-08-18 16:11:00 |
| R46.htm | 40653 | 2022-08-18 16:11:00 |
| R47.htm | 8123 | 2022-08-18 16:11:00 |
| R48.htm | 5983 | 2022-08-18 16:11:00 |
| R49.htm | 49603 | 2022-08-18 16:11:00 |
| R5.htm | 29243 | 2022-08-18 16:11:00 |
| R50.htm | 20757 | 2022-08-18 16:11:00 |
| R51.htm | 55760 | 2022-08-18 16:11:00 |
| R6.htm | 75786 | 2022-08-18 16:11:00 |
| R7.htm | 4776 | 2022-08-18 16:11:00 |
| R8.htm | 93938 | 2022-08-18 16:11:00 |
| R9.htm | 8126 | 2022-08-18 16:11:00 |
| report.css | 2767 | 2022-08-18 16:11:00 |
| Show.js | 1085 | 2022-08-18 16:11:00 |
| sptn-20220716.htm | 4764767 | 2022-08-18 16:11:00 |
| sptn-20220716.xsd | 49941 | 2022-08-18 16:11:00 |
| sptn-20220716_cal.xml | 52347 | 2022-08-18 16:11:00 |
| sptn-20220716_def.xml | 142661 | 2022-08-18 16:11:00 |
| sptn-20220716_htm.xml | 3526039 | 2022-08-18 16:11:00 |
| sptn-20220716_lab.xml | 393089 | 2022-08-18 16:11:00 |
| sptn-20220716_pre.xml | 282014 | 2022-08-18 16:11:00 |
| sptn-ex31_1.htm | 15011 | 2022-08-18 16:11:00 |
| sptn-ex31_2.htm | 15250 | 2022-08-18 16:11:00 |
| sptn-ex32_1.htm | 13521 | 2022-08-18 16:11:00 |