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| 0000950170-22-014704-index.html | 2022-08-04 15:27:49 | |
| 0000950170-22-014704.txt | 2022-08-04 15:27:49 | |
 0000950170-22-014704-xbrl.zip | 279823 | 2022-08-04 15:27:49 |
| bhe-20220630.htm | 4133438 | 2022-08-04 15:27:49 |
| bhe-20220630.xsd | 55167 | 2022-08-04 15:27:49 |
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| report.css | 2767 | 2022-08-04 15:27:49 |
| Show.js | 1085 | 2022-08-04 15:27:49 |