Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000055242-22-000007-index-headers.html | 2022-02-09 12:31:34 | |
| 0000055242-22-000007-index.html | 2022-02-09 12:31:34 | |
| 0000055242-22-000007.txt | 2022-02-09 12:31:34 | |
 0000055242-22-000007-xbrl.zip | 298649 | 2022-02-09 12:31:34 |
| FilingSummary.xml | 37361 | 2022-02-09 12:31:34 |
| Financial_Report.xlsx | 86004 | 2022-02-09 12:31:34 |
| kmt-20211231.htm | 1925135 | 2022-02-09 12:31:34 |
| kmt-20211231.xsd | 50662 | 2022-02-09 12:31:34 |
| kmt-20211231_cal.xml | 72052 | 2022-02-09 12:31:34 |
| kmt-20211231_def.xml | 363803 | 2022-02-09 12:31:34 |
| kmt-20211231_htm.xml | 2038671 | 2022-02-09 12:31:34 |
| kmt-20211231_lab.xml | 699933 | 2022-02-09 12:31:34 |
| kmt-20211231_pre.xml | 511018 | 2022-02-09 12:31:34 |
| kmt1231202110-qex311.htm | 10091 | 2022-02-09 12:31:34 |
| kmt1231202110-qex312.htm | 10042 | 2022-02-09 12:31:34 |
| kmt1231202110-qex321.htm | 6468 | 2022-02-09 12:31:34 |
| MetaLinks.json | 743781 | 2022-02-09 12:31:34 |
| R1.htm | 60617 | 2022-02-09 12:31:34 |
| R10.htm | 10758 | 2022-02-09 12:31:34 |
| R11.htm | 5655 | 2022-02-09 12:31:34 |
| R12.htm | 43245 | 2022-02-09 12:31:34 |
| R13.htm | 27771 | 2022-02-09 12:31:34 |
| R14.htm | 26775 | 2022-02-09 12:31:34 |
| R15.htm | 36970 | 2022-02-09 12:31:34 |
| R16.htm | 41379 | 2022-02-09 12:31:34 |
| R17.htm | 14315 | 2022-02-09 12:31:34 |
| R18.htm | 9158 | 2022-02-09 12:31:34 |
| R19.htm | 7804 | 2022-02-09 12:31:34 |
| R2.htm | 5877 | 2022-02-09 12:31:34 |
| R20.htm | 10534 | 2022-02-09 12:31:34 |
| R21.htm | 16511 | 2022-02-09 12:31:34 |
| R22.htm | 154322 | 2022-02-09 12:31:34 |
| R23.htm | 136870 | 2022-02-09 12:31:34 |
| R24.htm | 42923 | 2022-02-09 12:31:34 |
| R25.htm | 94641 | 2022-02-09 12:31:34 |
| R26.htm | 40612 | 2022-02-09 12:31:34 |
| R27.htm | 28939 | 2022-02-09 12:31:34 |
| R28.htm | 24518 | 2022-02-09 12:31:34 |
| R29.htm | 37796 | 2022-02-09 12:31:34 |
| R3.htm | 97912 | 2022-02-09 12:31:34 |
| R30.htm | 40974 | 2022-02-09 12:31:34 |
| R31.htm | 14669 | 2022-02-09 12:31:34 |
| R32.htm | 15719 | 2022-02-09 12:31:34 |
| R33.htm | 150027 | 2022-02-09 12:31:34 |
| R34.htm | 139495 | 2022-02-09 12:31:34 |
| R35.htm | 44809 | 2022-02-09 12:31:34 |
| R36.htm | 88210 | 2022-02-09 12:31:34 |
| R37.htm | 9379 | 2022-02-09 12:31:34 |
| R38.htm | 16875 | 2022-02-09 12:31:34 |
| R39.htm | 17789 | 2022-02-09 12:31:34 |
| R4.htm | 53605 | 2022-02-09 12:31:34 |
| R40.htm | 14516 | 2022-02-09 12:31:34 |
| R41.htm | 15506 | 2022-02-09 12:31:34 |
| R42.htm | 28496 | 2022-02-09 12:31:34 |
| R43.htm | 42756 | 2022-02-09 12:31:34 |
| R44.htm | 41070 | 2022-02-09 12:31:34 |
| R45.htm | 37243 | 2022-02-09 12:31:34 |
| R46.htm | 17914 | 2022-02-09 12:31:34 |
| R47.htm | 25640 | 2022-02-09 12:31:34 |
| R48.htm | 16573 | 2022-02-09 12:31:34 |
| R49.htm | 17930 | 2022-02-09 12:31:34 |
| R5.htm | 151903 | 2022-02-09 12:31:34 |
| R50.htm | 28972 | 2022-02-09 12:31:34 |
| R51.htm | 8150 | 2022-02-09 12:31:34 |
| R52.htm | 12075 | 2022-02-09 12:31:34 |
| R53.htm | 15338 | 2022-02-09 12:31:34 |
| R54.htm | 59694 | 2022-02-09 12:31:34 |
| R55.htm | 48416 | 2022-02-09 12:31:34 |
| R56.htm | 46916 | 2022-02-09 12:31:34 |
| R57.htm | 58284 | 2022-02-09 12:31:34 |
| R58.htm | 19219 | 2022-02-09 12:31:34 |
| R59.htm | 33645 | 2022-02-09 12:31:34 |
| R6.htm | 19840 | 2022-02-09 12:31:34 |
| R60.htm | 46511 | 2022-02-09 12:31:34 |
| R61.htm | 40145 | 2022-02-09 12:31:34 |
| R7.htm | 85059 | 2022-02-09 12:31:34 |
| R8.htm | 11910 | 2022-02-09 12:31:34 |
| R9.htm | 11345 | 2022-02-09 12:31:34 |
| report.css | 2767 | 2022-02-09 12:31:34 |
| Show.js | 1085 | 2022-02-09 12:31:34 |