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| 0000863436-18-000042-index.html | 2018-11-08 13:01:47 | |
| 0000863436-18-000042.txt | 2018-11-08 13:01:47 | |
 0000863436-18-000042-xbrl.zip | 193924 | 2018-11-08 13:01:47 |
| bhe-20180930.xml | 2310618 | 2018-11-08 13:01:47 |
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| report.css | 2767 | 2018-11-08 13:01:47 |
| Show.js | 1085 | 2018-11-08 13:01:47 |