Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-045191-index-headers.html | 2021-08-19 16:16:50 | |
| 0001564590-21-045191-index.html | 2021-08-19 16:16:50 | |
| 0001564590-21-045191.txt | 2021-08-19 16:16:50 | |
 0001564590-21-045191-xbrl.zip | 614327 | 2021-08-19 16:16:50 |
| FilingSummary.xml | 34798 | 2021-08-19 16:16:50 |
| Financial_Report.xlsx | 72731 | 2021-08-19 16:16:50 |
 ghdpxa0cs4da000001.jpg | 599667 | 2021-08-19 16:16:50 |
| MetaLinks.json | 575967 | 2021-08-19 16:16:50 |
| R1.htm | 53819 | 2021-08-19 16:16:50 |
| R10.htm | 15278 | 2021-08-19 16:16:50 |
| R11.htm | 580565 | 2021-08-19 16:16:50 |
| R12.htm | 6255 | 2021-08-19 16:16:50 |
| R13.htm | 152460 | 2021-08-19 16:16:50 |
| R14.htm | 38841 | 2021-08-19 16:16:50 |
| R15.htm | 7799 | 2021-08-19 16:16:50 |
| R16.htm | 11510 | 2021-08-19 16:16:50 |
| R17.htm | 8577 | 2021-08-19 16:16:50 |
| R18.htm | 125851 | 2021-08-19 16:16:50 |
| R19.htm | 121721 | 2021-08-19 16:16:50 |
| R2.htm | 92253 | 2021-08-19 16:16:50 |
| R20.htm | 48249 | 2021-08-19 16:16:50 |
| R21.htm | 311428 | 2021-08-19 16:16:50 |
| R22.htm | 7743 | 2021-08-19 16:16:50 |
| R23.htm | 575624 | 2021-08-19 16:16:50 |
| R24.htm | 153844 | 2021-08-19 16:16:50 |
| R25.htm | 34575 | 2021-08-19 16:16:50 |
| R26.htm | 129592 | 2021-08-19 16:16:50 |
| R27.htm | 120143 | 2021-08-19 16:16:50 |
| R28.htm | 47430 | 2021-08-19 16:16:50 |
| R29.htm | 308145 | 2021-08-19 16:16:50 |
| R3.htm | 14470 | 2021-08-19 16:16:50 |
| R30.htm | 42779 | 2021-08-19 16:16:50 |
| R31.htm | 63220 | 2021-08-19 16:16:50 |
| R32.htm | 12401 | 2021-08-19 16:16:50 |
| R33.htm | 37087 | 2021-08-19 16:16:50 |
| R34.htm | 15239 | 2021-08-19 16:16:50 |
| R35.htm | 27687 | 2021-08-19 16:16:50 |
| R36.htm | 26134 | 2021-08-19 16:16:50 |
| R37.htm | 10548 | 2021-08-19 16:16:50 |
| R38.htm | 17512 | 2021-08-19 16:16:50 |
| R39.htm | 12618 | 2021-08-19 16:16:50 |
| R4.htm | 66385 | 2021-08-19 16:16:50 |
| R40.htm | 5781 | 2021-08-19 16:16:50 |
| R41.htm | 21443 | 2021-08-19 16:16:50 |
| R42.htm | 12057 | 2021-08-19 16:16:50 |
| R43.htm | 8844 | 2021-08-19 16:16:50 |
| R44.htm | 23014 | 2021-08-19 16:16:50 |
| R45.htm | 42261 | 2021-08-19 16:16:50 |
| R46.htm | 7761 | 2021-08-19 16:16:50 |
| R47.htm | 6035 | 2021-08-19 16:16:50 |
| R48.htm | 4155 | 2021-08-19 16:16:50 |
| R49.htm | 44802 | 2021-08-19 16:16:50 |
| R5.htm | 25512 | 2021-08-19 16:16:50 |
| R50.htm | 20944 | 2021-08-19 16:16:50 |
| R51.htm | 51741 | 2021-08-19 16:16:50 |
| R6.htm | 89122 | 2021-08-19 16:16:50 |
| R7.htm | 4801 | 2021-08-19 16:16:50 |
| R8.htm | 90129 | 2021-08-19 16:16:50 |
| R9.htm | 7120 | 2021-08-19 16:16:50 |
| report.css | 2767 | 2021-08-19 16:16:50 |
| Show.js | 1085 | 2021-08-19 16:16:50 |
| sptn-10q_20210717.htm | 4477278 | 2021-08-19 16:16:50 |
| sptn-10q_20210717_htm.xml | 3243469 | 2021-08-19 16:16:50 |
| sptn-20210717.xsd | 50847 | 2021-08-19 16:16:50 |
| sptn-20210717_cal.xml | 55131 | 2021-08-19 16:16:50 |
| sptn-20210717_def.xml | 137353 | 2021-08-19 16:16:50 |
| sptn-20210717_lab.xml | 371818 | 2021-08-19 16:16:50 |
| sptn-20210717_pre.xml | 281839 | 2021-08-19 16:16:50 |
| sptn-ex311_6.htm | 8836 | 2021-08-19 16:16:50 |
| sptn-ex312_9.htm | 8569 | 2021-08-19 16:16:50 |
| sptn-ex321_7.htm | 7405 | 2021-08-19 16:16:50 |