Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000277638-20-000027-index-headers.html | 2020-08-04 12:59:07 | |
| 0000277638-20-000027-index.html | 2020-08-04 12:59:07 | |
| 0000277638-20-000027.txt | 2020-08-04 12:59:07 | |
 0000277638-20-000027-xbrl.zip | 346293 | 2020-08-04 12:59:07 |
| davey-20200627.xsd | 55276 | 2020-08-04 12:59:07 |
| davey-20200627_cal.xml | 119128 | 2020-08-04 12:59:07 |
| davey-20200627_def.xml | 289917 | 2020-08-04 12:59:07 |
| davey-20200627_lab.xml | 903458 | 2020-08-04 12:59:07 |
| davey-20200627_pre.xml | 499974 | 2020-08-04 12:59:07 |
 davlogoca05.jpg | 29432 | 2020-08-04 12:59:07 |
| dt2020q210q.htm | 2610949 | 2020-08-04 12:59:07 |
| dt2020q210qex311.htm | 14718 | 2020-08-04 12:59:07 |
| dt2020q210qex312.htm | 14421 | 2020-08-04 12:59:07 |
| dt2020q210qex321.htm | 6597 | 2020-08-04 12:59:07 |
| dt2020q210qex322.htm | 6816 | 2020-08-04 12:59:07 |
| dt2020q210q_htm.xml | 2833339 | 2020-08-04 12:59:07 |
| FilingSummary.xml | 40298 | 2020-08-04 12:59:07 |
| Financial_Report.xlsx | 104650 | 2020-08-04 12:59:07 |
| MetaLinks.json | 737817 | 2020-08-04 12:59:07 |
| R1.htm | 27508 | 2020-08-04 12:59:07 |
| R10.htm | 57562 | 2020-08-04 12:59:07 |
| R11.htm | 12442 | 2020-08-04 12:59:07 |
| R12.htm | 5642 | 2020-08-04 12:59:07 |
| R13.htm | 74996 | 2020-08-04 12:59:07 |
| R14.htm | 29388 | 2020-08-04 12:59:07 |
| R15.htm | 74195 | 2020-08-04 12:59:07 |
| R16.htm | 50830 | 2020-08-04 12:59:07 |
| R17.htm | 108358 | 2020-08-04 12:59:07 |
| R18.htm | 110605 | 2020-08-04 12:59:07 |
| R19.htm | 32827 | 2020-08-04 12:59:07 |
| R2.htm | 19183 | 2020-08-04 12:59:07 |
| R20.htm | 11168 | 2020-08-04 12:59:07 |
| R21.htm | 95151 | 2020-08-04 12:59:07 |
| R22.htm | 78588 | 2020-08-04 12:59:07 |
| R23.htm | 135507 | 2020-08-04 12:59:07 |
| R24.htm | 166774 | 2020-08-04 12:59:07 |
| R25.htm | 65817 | 2020-08-04 12:59:07 |
| R26.htm | 17470 | 2020-08-04 12:59:07 |
| R27.htm | 12439 | 2020-08-04 12:59:07 |
| R28.htm | 20920 | 2020-08-04 12:59:07 |
| R29.htm | 85058 | 2020-08-04 12:59:07 |
| R3.htm | 16755 | 2020-08-04 12:59:07 |
| R30.htm | 25031 | 2020-08-04 12:59:07 |
| R31.htm | 78134 | 2020-08-04 12:59:07 |
| R32.htm | 25438 | 2020-08-04 12:59:07 |
| R33.htm | 114682 | 2020-08-04 12:59:07 |
| R34.htm | 108226 | 2020-08-04 12:59:07 |
| R35.htm | 32794 | 2020-08-04 12:59:07 |
| R36.htm | 93186 | 2020-08-04 12:59:07 |
| R37.htm | 79533 | 2020-08-04 12:59:07 |
| R38.htm | 133466 | 2020-08-04 12:59:07 |
| R39.htm | 164016 | 2020-08-04 12:59:07 |
| R4.htm | 9619 | 2020-08-04 12:59:07 |
| R40.htm | 64216 | 2020-08-04 12:59:07 |
| R41.htm | 92496 | 2020-08-04 12:59:07 |
| R42.htm | 41219 | 2020-08-04 12:59:07 |
| R43.htm | 20081 | 2020-08-04 12:59:07 |
| R44.htm | 31870 | 2020-08-04 12:59:07 |
| R45.htm | 28279 | 2020-08-04 12:59:07 |
| R46.htm | 94261 | 2020-08-04 12:59:07 |
| R47.htm | 21233 | 2020-08-04 12:59:07 |
| R48.htm | 21622 | 2020-08-04 12:59:07 |
| R49.htm | 6911 | 2020-08-04 12:59:07 |
| R5.htm | 82026 | 2020-08-04 12:59:07 |
| R50.htm | 6687 | 2020-08-04 12:59:07 |
| R51.htm | 16662 | 2020-08-04 12:59:07 |
| R52.htm | 37899 | 2020-08-04 12:59:07 |
| R53.htm | 131600 | 2020-08-04 12:59:07 |
| R54.htm | 25651 | 2020-08-04 12:59:07 |
| R55.htm | 13729 | 2020-08-04 12:59:07 |
| R56.htm | 27816 | 2020-08-04 12:59:07 |
| R57.htm | 52143 | 2020-08-04 12:59:07 |
| R58.htm | 22115 | 2020-08-04 12:59:07 |
| R59.htm | 40003 | 2020-08-04 12:59:07 |
| R6.htm | 15601 | 2020-08-04 12:59:07 |
| R60.htm | 50799 | 2020-08-04 12:59:07 |
| R61.htm | 13029 | 2020-08-04 12:59:07 |
| R62.htm | 17092 | 2020-08-04 12:59:07 |
| R63.htm | 17800 | 2020-08-04 12:59:07 |
| R64.htm | 26353 | 2020-08-04 12:59:07 |
| R65.htm | 30447 | 2020-08-04 12:59:07 |
| R7.htm | 56261 | 2020-08-04 12:59:07 |
| R8.htm | 29052 | 2020-08-04 12:59:07 |
| R9.htm | 73878 | 2020-08-04 12:59:07 |
| report.css | 2767 | 2020-08-04 12:59:07 |
| Show.js | 1085 | 2020-08-04 12:59:07 |