Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-24-005395-index-headers.html | 2024-01-18 16:16:00 | |
| 0000950170-24-005395-index.html | 2024-01-18 16:16:00 | |
| 0000950170-24-005395.txt | 2024-01-18 16:16:00 | |
 0000950170-24-005395-xbrl.zip | 1023177 | 2024-01-18 16:16:00 |
| birk-20230930.htm | 7617748 | 2024-01-18 16:16:00 |
| birk-20230930.xsd | 2803261 | 2024-01-18 16:16:00 |
| birk-20230930_htm.xml | 8757017 | 2024-01-18 16:16:00 |
| birk-ex12_1.htm | 15286 | 2024-01-18 16:16:00 |
| birk-ex12_2.htm | 14931 | 2024-01-18 16:16:00 |
| birk-ex13_1.htm | 7521 | 2024-01-18 16:16:00 |
| birk-ex13_2.htm | 7468 | 2024-01-18 16:16:00 |
| birk-ex15_1.htm | 5018 | 2024-01-18 16:16:00 |
| birk-ex1_1.htm | 387841 | 2024-01-18 16:16:00 |
| birk-ex2_1.htm | 34254 | 2024-01-18 16:16:00 |
| birk-ex4_7.htm | 268363 | 2024-01-18 16:16:00 |
| birk-ex4_8.htm | 256697 | 2024-01-18 16:16:00 |
| birk-ex4_9.htm | 155316 | 2024-01-18 16:16:00 |
| birk-ex8_1.htm | 24389 | 2024-01-18 16:16:00 |
| birk-ex97_1.htm | 61680 | 2024-01-18 16:16:00 |
| FilingSummary.xml | 104780 | 2024-01-18 16:16:00 |
| Financial_Report.xlsx | 256305 | 2024-01-18 16:16:00 |
 img200557074_0.jpg | 457943 | 2024-01-18 16:16:00 |
 img200557074_1.jpg | 30901 | 2024-01-18 16:16:00 |
| MetaLinks.json | 1318491 | 2024-01-18 16:16:00 |
| R1.htm | 70876 | 2024-01-18 16:16:00 |
| R10.htm | 409589 | 2024-01-18 16:16:00 |
| R100.htm | 10773 | 2024-01-18 16:16:00 |
| R101.htm | 13652 | 2024-01-18 16:16:00 |
| R102.htm | 51904 | 2024-01-18 16:16:00 |
| R103.htm | 60624 | 2024-01-18 16:16:00 |
| R104.htm | 9099 | 2024-01-18 16:16:00 |
| R105.htm | 14512 | 2024-01-18 16:16:00 |
| R106.htm | 11729 | 2024-01-18 16:16:00 |
| R107.htm | 11540 | 2024-01-18 16:16:00 |
| R108.htm | 18064 | 2024-01-18 16:16:00 |
| R109.htm | 4540 | 2024-01-18 16:16:00 |
| R11.htm | 105786 | 2024-01-18 16:16:00 |
| R110.htm | 31941 | 2024-01-18 16:16:00 |
| R111.htm | 15346 | 2024-01-18 16:16:00 |
| R112.htm | 4377 | 2024-01-18 16:16:00 |
| R113.htm | 9872 | 2024-01-18 16:16:00 |
| R114.htm | 31932 | 2024-01-18 16:16:00 |
| R115.htm | 15934 | 2024-01-18 16:16:00 |
| R116.htm | 34043 | 2024-01-18 16:16:00 |
| R117.htm | 78990 | 2024-01-18 16:16:00 |
| R118.htm | 6278 | 2024-01-18 16:16:00 |
| R119.htm | 15009 | 2024-01-18 16:16:00 |
| R12.htm | 227559 | 2024-01-18 16:16:00 |
| R120.htm | 10199 | 2024-01-18 16:16:00 |
| R121.htm | 12175 | 2024-01-18 16:16:00 |
| R122.htm | 15983 | 2024-01-18 16:16:00 |
| R123.htm | 9526 | 2024-01-18 16:16:00 |
| R124.htm | 9218 | 2024-01-18 16:16:00 |
| R125.htm | 11417 | 2024-01-18 16:16:00 |
| R126.htm | 12314 | 2024-01-18 16:16:00 |
| R127.htm | 29749 | 2024-01-18 16:16:00 |
| R128.htm | 4468 | 2024-01-18 16:16:00 |
| R129.htm | 46245 | 2024-01-18 16:16:00 |
| R13.htm | 110045 | 2024-01-18 16:16:00 |
| R130.htm | 18923 | 2024-01-18 16:16:00 |
| R131.htm | 7249 | 2024-01-18 16:16:00 |
| R132.htm | 16888 | 2024-01-18 16:16:00 |
| R133.htm | 10664 | 2024-01-18 16:16:00 |
| R134.htm | 15307 | 2024-01-18 16:16:00 |
| R135.htm | 15112 | 2024-01-18 16:16:00 |
| R136.htm | 12917 | 2024-01-18 16:16:00 |
| R137.htm | 15131 | 2024-01-18 16:16:00 |
| R138.htm | 15142 | 2024-01-18 16:16:00 |
| R139.htm | 19404 | 2024-01-18 16:16:00 |
| R14.htm | 204416 | 2024-01-18 16:16:00 |
| R140.htm | 10277 | 2024-01-18 16:16:00 |
| R141.htm | 9905 | 2024-01-18 16:16:00 |
| R142.htm | 12775 | 2024-01-18 16:16:00 |
| R143.htm | 8504 | 2024-01-18 16:16:00 |
| R144.htm | 25136 | 2024-01-18 16:16:00 |
| R145.htm | 21918 | 2024-01-18 16:16:00 |
| R146.htm | 20864 | 2024-01-18 16:16:00 |
| R147.htm | 32460 | 2024-01-18 16:16:00 |
| R148.htm | 12098 | 2024-01-18 16:16:00 |
| R149.htm | 6739 | 2024-01-18 16:16:00 |
| R15.htm | 200244 | 2024-01-18 16:16:00 |
| R150.htm | 16633 | 2024-01-18 16:16:00 |
| R151.htm | 13874 | 2024-01-18 16:16:00 |
| R152.htm | 29676 | 2024-01-18 16:16:00 |
| R153.htm | 18216 | 2024-01-18 16:16:00 |
| R154.htm | 9168 | 2024-01-18 16:16:00 |
| R155.htm | 3983 | 2024-01-18 16:16:00 |
| R156.htm | 27322 | 2024-01-18 16:16:00 |
| R157.htm | 31733 | 2024-01-18 16:16:00 |
| R158.htm | 103155 | 2024-01-18 16:16:00 |
| R159.htm | 23540 | 2024-01-18 16:16:00 |
| R16.htm | 219606 | 2024-01-18 16:16:00 |
| R17.htm | 24397 | 2024-01-18 16:16:00 |
| R18.htm | 43509 | 2024-01-18 16:16:00 |
| R19.htm | 73758 | 2024-01-18 16:16:00 |
| R2.htm | 103227 | 2024-01-18 16:16:00 |
| R20.htm | 26117 | 2024-01-18 16:16:00 |
| R21.htm | 9956 | 2024-01-18 16:16:00 |
| R22.htm | 268361 | 2024-01-18 16:16:00 |
| R23.htm | 113632 | 2024-01-18 16:16:00 |
| R24.htm | 294514 | 2024-01-18 16:16:00 |
| R25.htm | 36765 | 2024-01-18 16:16:00 |
| R26.htm | 21422 | 2024-01-18 16:16:00 |
| R27.htm | 208683 | 2024-01-18 16:16:00 |
| R28.htm | 29695 | 2024-01-18 16:16:00 |
| R29.htm | 20578 | 2024-01-18 16:16:00 |
| R3.htm | 70571 | 2024-01-18 16:16:00 |
| R30.htm | 70642 | 2024-01-18 16:16:00 |
| R31.htm | 174999 | 2024-01-18 16:16:00 |
| R32.htm | 62044 | 2024-01-18 16:16:00 |
| R33.htm | 54336 | 2024-01-18 16:16:00 |
| R34.htm | 39377 | 2024-01-18 16:16:00 |
| R35.htm | 32166 | 2024-01-18 16:16:00 |
| R36.htm | 6238 | 2024-01-18 16:16:00 |
| R37.htm | 91963 | 2024-01-18 16:16:00 |
| R38.htm | 167233 | 2024-01-18 16:16:00 |
| R39.htm | 10787 | 2024-01-18 16:16:00 |
| R4.htm | 40079 | 2024-01-18 16:16:00 |
| R40.htm | 213428 | 2024-01-18 16:16:00 |
| R41.htm | 107675 | 2024-01-18 16:16:00 |
| R42.htm | 21221 | 2024-01-18 16:16:00 |
| R43.htm | 81533 | 2024-01-18 16:16:00 |
| R44.htm | 407847 | 2024-01-18 16:16:00 |
| R45.htm | 78353 | 2024-01-18 16:16:00 |
| R46.htm | 209551 | 2024-01-18 16:16:00 |
| R47.htm | 110506 | 2024-01-18 16:16:00 |
| R48.htm | 202157 | 2024-01-18 16:16:00 |
| R49.htm | 198945 | 2024-01-18 16:16:00 |
| R5.htm | 107029 | 2024-01-18 16:16:00 |
| R50.htm | 215288 | 2024-01-18 16:16:00 |
| R51.htm | 18419 | 2024-01-18 16:16:00 |
| R52.htm | 41294 | 2024-01-18 16:16:00 |
| R53.htm | 71454 | 2024-01-18 16:16:00 |
| R54.htm | 24582 | 2024-01-18 16:16:00 |
| R55.htm | 233801 | 2024-01-18 16:16:00 |
| R56.htm | 117093 | 2024-01-18 16:16:00 |
| R57.htm | 294250 | 2024-01-18 16:16:00 |
| R58.htm | 35613 | 2024-01-18 16:16:00 |
| R59.htm | 19597 | 2024-01-18 16:16:00 |
| R6.htm | 10334 | 2024-01-18 16:16:00 |
| R60.htm | 208346 | 2024-01-18 16:16:00 |
| R61.htm | 26601 | 2024-01-18 16:16:00 |
| R62.htm | 19617 | 2024-01-18 16:16:00 |
| R63.htm | 69578 | 2024-01-18 16:16:00 |
| R64.htm | 162294 | 2024-01-18 16:16:00 |
| R65.htm | 61642 | 2024-01-18 16:16:00 |
| R66.htm | 53000 | 2024-01-18 16:16:00 |
| R67.htm | 37051 | 2024-01-18 16:16:00 |
| R68.htm | 27030 | 2024-01-18 16:16:00 |
| R69.htm | 78798 | 2024-01-18 16:16:00 |
| R7.htm | 116757 | 2024-01-18 16:16:00 |
| R70.htm | 162349 | 2024-01-18 16:16:00 |
| R71.htm | 19512 | 2024-01-18 16:16:00 |
| R72.htm | 18294 | 2024-01-18 16:16:00 |
| R73.htm | 11056 | 2024-01-18 16:16:00 |
| R74.htm | 24188 | 2024-01-18 16:16:00 |
| R75.htm | 18022 | 2024-01-18 16:16:00 |
| R76.htm | 15325 | 2024-01-18 16:16:00 |
| R77.htm | 9468 | 2024-01-18 16:16:00 |
| R78.htm | 19495 | 2024-01-18 16:16:00 |
| R79.htm | 27095 | 2024-01-18 16:16:00 |
| R8.htm | 167670 | 2024-01-18 16:16:00 |
| R80.htm | 7172 | 2024-01-18 16:16:00 |
| R81.htm | 5477 | 2024-01-18 16:16:00 |
| R82.htm | 50402 | 2024-01-18 16:16:00 |
| R83.htm | 12232 | 2024-01-18 16:16:00 |
| R84.htm | 19830 | 2024-01-18 16:16:00 |
| R85.htm | 92386 | 2024-01-18 16:16:00 |
| R86.htm | 19071 | 2024-01-18 16:16:00 |
| R87.htm | 60482 | 2024-01-18 16:16:00 |
| R88.htm | 32659 | 2024-01-18 16:16:00 |
| R89.htm | 30312 | 2024-01-18 16:16:00 |
| R9.htm | 82431 | 2024-01-18 16:16:00 |
| R90.htm | 37926 | 2024-01-18 16:16:00 |
| R91.htm | 17288 | 2024-01-18 16:16:00 |
| R92.htm | 14500 | 2024-01-18 16:16:00 |
| R93.htm | 6311 | 2024-01-18 16:16:00 |
| R94.htm | 12899 | 2024-01-18 16:16:00 |
| R95.htm | 10947 | 2024-01-18 16:16:00 |
| R96.htm | 20263 | 2024-01-18 16:16:00 |
| R97.htm | 4856 | 2024-01-18 16:16:00 |
| R98.htm | 25503 | 2024-01-18 16:16:00 |
| R99.htm | 47499 | 2024-01-18 16:16:00 |
| report.css | 2768 | 2024-01-18 16:16:00 |
| Show.js | 1086 | 2024-01-18 16:16:00 |