Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000852772-22-000042-index-headers.html | 2022-02-28 16:04:06 | |
| 0000852772-22-000042-index.html | 2022-02-28 16:04:06 | |
| 0000852772-22-000042.txt | 2022-02-28 16:04:06 | |
 0000852772-22-000042-xbrl.zip | 517463 | 2022-02-28 16:04:06 |
| denn-20211229.htm | 2839479 | 2022-02-28 16:04:06 |
| denn-20211229.xsd | 67025 | 2022-02-28 16:04:06 |
| denn-20211229_cal.xml | 149306 | 2022-02-28 16:04:06 |
| denn-20211229_def.xml | 333788 | 2022-02-28 16:04:06 |
 denn-20211229_g1.jpg | 8544 | 2022-02-28 16:04:06 |
 denn-20211229_g2.jpg | 100468 | 2022-02-28 16:04:06 |
| denn-20211229_htm.xml | 2473377 | 2022-02-28 16:04:06 |
| denn-20211229_lab.xml | 1012156 | 2022-02-28 16:04:06 |
| denn-20211229_pre.xml | 670034 | 2022-02-28 16:04:06 |
| FilingSummary.xml | 61844 | 2022-02-28 16:04:06 |
| Financial_Report.xlsx | 145294 | 2022-02-28 16:04:06 |
| MetaLinks.json | 1026053 | 2022-02-28 16:04:06 |
| q42021ex211.htm | 4003 | 2022-02-28 16:04:06 |
| q42021ex231.htm | 2543 | 2022-02-28 16:04:06 |
| q42021ex311.htm | 14418 | 2022-02-28 16:04:06 |
| q42021ex312.htm | 13536 | 2022-02-28 16:04:06 |
| q42021ex321.htm | 14953 | 2022-02-28 16:04:06 |
| R1.htm | 63085 | 2022-02-28 16:04:06 |
| R10.htm | 27394 | 2022-02-28 16:04:06 |
| R11.htm | 56535 | 2022-02-28 16:04:06 |
| R12.htm | 19534 | 2022-02-28 16:04:06 |
| R13.htm | 29344 | 2022-02-28 16:04:06 |
| R14.htm | 32250 | 2022-02-28 16:04:06 |
| R15.htm | 14865 | 2022-02-28 16:04:06 |
| R16.htm | 43967 | 2022-02-28 16:04:06 |
| R17.htm | 241967 | 2022-02-28 16:04:06 |
| R18.htm | 38808 | 2022-02-28 16:04:06 |
| R19.htm | 36383 | 2022-02-28 16:04:06 |
| R2.htm | 7850 | 2022-02-28 16:04:06 |
| R20.htm | 61095 | 2022-02-28 16:04:06 |
| R21.htm | 49058 | 2022-02-28 16:04:06 |
| R22.htm | 26435 | 2022-02-28 16:04:06 |
| R23.htm | 80067 | 2022-02-28 16:04:06 |
| R24.htm | 7990 | 2022-02-28 16:04:06 |
| R25.htm | 22560 | 2022-02-28 16:04:06 |
| R26.htm | 60647 | 2022-02-28 16:04:06 |
| R27.htm | 12482 | 2022-02-28 16:04:06 |
| R28.htm | 29017 | 2022-02-28 16:04:06 |
| R29.htm | 122889 | 2022-02-28 16:04:06 |
| R3.htm | 130829 | 2022-02-28 16:04:06 |
| R30.htm | 24180 | 2022-02-28 16:04:06 |
| R31.htm | 18371 | 2022-02-28 16:04:06 |
| R32.htm | 28239 | 2022-02-28 16:04:06 |
| R33.htm | 54177 | 2022-02-28 16:04:06 |
| R34.htm | 14475 | 2022-02-28 16:04:06 |
| R35.htm | 44055 | 2022-02-28 16:04:06 |
| R36.htm | 128328 | 2022-02-28 16:04:06 |
| R37.htm | 36121 | 2022-02-28 16:04:06 |
| R38.htm | 35547 | 2022-02-28 16:04:06 |
| R39.htm | 58271 | 2022-02-28 16:04:06 |
| R4.htm | 17158 | 2022-02-28 16:04:06 |
| R40.htm | 47205 | 2022-02-28 16:04:06 |
| R41.htm | 26538 | 2022-02-28 16:04:06 |
| R42.htm | 80437 | 2022-02-28 16:04:06 |
| R43.htm | 22103 | 2022-02-28 16:04:06 |
| R44.htm | 50112 | 2022-02-28 16:04:06 |
| R45.htm | 8774 | 2022-02-28 16:04:06 |
| R46.htm | 28485 | 2022-02-28 16:04:06 |
| R47.htm | 26234 | 2022-02-28 16:04:06 |
| R48.htm | 17066 | 2022-02-28 16:04:06 |
| R49.htm | 4645 | 2022-02-28 16:04:06 |
| R5.htm | 81349 | 2022-02-28 16:04:06 |
| R50.htm | 14500 | 2022-02-28 16:04:06 |
| R51.htm | 13408 | 2022-02-28 16:04:06 |
| R52.htm | 4864 | 2022-02-28 16:04:06 |
| R53.htm | 4869 | 2022-02-28 16:04:06 |
| R54.htm | 9460 | 2022-02-28 16:04:06 |
| R55.htm | 6999 | 2022-02-28 16:04:06 |
| R56.htm | 29381 | 2022-02-28 16:04:06 |
| R57.htm | 35132 | 2022-02-28 16:04:06 |
| R58.htm | 27209 | 2022-02-28 16:04:06 |
| R59.htm | 13325 | 2022-02-28 16:04:06 |
| R6.htm | 34836 | 2022-02-28 16:04:06 |
| R60.htm | 19021 | 2022-02-28 16:04:06 |
| R61.htm | 23816 | 2022-02-28 16:04:06 |
| R62.htm | 12929 | 2022-02-28 16:04:06 |
| R63.htm | 13768 | 2022-02-28 16:04:06 |
| R64.htm | 32522 | 2022-02-28 16:04:06 |
| R65.htm | 12779 | 2022-02-28 16:04:06 |
| R66.htm | 15604 | 2022-02-28 16:04:06 |
| R67.htm | 14201 | 2022-02-28 16:04:06 |
| R68.htm | 65064 | 2022-02-28 16:04:06 |
| R69.htm | 13685 | 2022-02-28 16:04:06 |
| R7.htm | 13517 | 2022-02-28 16:04:06 |
| R70.htm | 83559 | 2022-02-28 16:04:06 |
| R71.htm | 16906 | 2022-02-28 16:04:06 |
| R72.htm | 13995 | 2022-02-28 16:04:06 |
| R73.htm | 20831 | 2022-02-28 16:04:06 |
| R74.htm | 17272 | 2022-02-28 16:04:06 |
| R75.htm | 21915 | 2022-02-28 16:04:06 |
| R76.htm | 14340 | 2022-02-28 16:04:06 |
| R77.htm | 64026 | 2022-02-28 16:04:06 |
| R78.htm | 14708 | 2022-02-28 16:04:06 |
| R79.htm | 6963 | 2022-02-28 16:04:06 |
| R8.htm | 84718 | 2022-02-28 16:04:06 |
| R80.htm | 22178 | 2022-02-28 16:04:06 |
| R81.htm | 50700 | 2022-02-28 16:04:06 |
| R82.htm | 10095 | 2022-02-28 16:04:06 |
| R83.htm | 29533 | 2022-02-28 16:04:06 |
| R84.htm | 26577 | 2022-02-28 16:04:06 |
| R85.htm | 31703 | 2022-02-28 16:04:06 |
| R86.htm | 28929 | 2022-02-28 16:04:06 |
| R87.htm | 23289 | 2022-02-28 16:04:06 |
| R88.htm | 26588 | 2022-02-28 16:04:06 |
| R89.htm | 29266 | 2022-02-28 16:04:06 |
| R9.htm | 110750 | 2022-02-28 16:04:06 |
| R90.htm | 47666 | 2022-02-28 16:04:06 |
| R91.htm | 7511 | 2022-02-28 16:04:06 |
| R92.htm | 10392 | 2022-02-28 16:04:06 |
| R93.htm | 38207 | 2022-02-28 16:04:06 |
| R94.htm | 40728 | 2022-02-28 16:04:06 |
| R95.htm | 16842 | 2022-02-28 16:04:06 |
| R96.htm | 42185 | 2022-02-28 16:04:06 |
| R97.htm | 11654 | 2022-02-28 16:04:06 |
| R98.htm | 11741 | 2022-02-28 16:04:06 |
| R99.htm | 25606 | 2022-02-28 16:04:06 |
| report.css | 2768 | 2022-02-28 16:04:06 |
| Show.js | 1086 | 2022-02-28 16:04:06 |