Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-21-000571-index-headers.html | 2021-07-28 16:49:59 | |
| 0000950170-21-000571-index.html | 2021-07-28 16:49:59 | |
| 0000950170-21-000571.txt | 2021-07-28 16:49:59 | |
 0000950170-21-000571-xbrl.zip | 34113 | 2021-07-28 16:49:59 |
| bhe-20210728.htm | 51494 | 2021-07-28 16:49:59 |
| bhe-20210728.xsd | 2417 | 2021-07-28 16:49:59 |
| bhe-20210728ex99_1.htm | 782653 | 2021-07-28 16:49:59 |
| bhe-20210728ex99_2.htm | 16981 | 2021-07-28 16:49:59 |
 bhe-20210728ex99_2s1.jpg | 40053 | 2021-07-28 16:49:59 |
 bhe-20210728ex99_2s10.jpg | 62731 | 2021-07-28 16:49:59 |
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 bhe-20210728ex99_2s14.jpg | 74687 | 2021-07-28 16:49:59 |
 bhe-20210728ex99_2s15.jpg | 58071 | 2021-07-28 16:49:59 |
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 bhe-20210728ex99_2s3.jpg | 52445 | 2021-07-28 16:49:59 |
 bhe-20210728ex99_2s4.jpg | 68298 | 2021-07-28 16:49:59 |
 bhe-20210728ex99_2s5.jpg | 47729 | 2021-07-28 16:49:59 |
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 bhe-20210728ex99_2s7.jpg | 67370 | 2021-07-28 16:49:59 |
 bhe-20210728ex99_2s8.jpg | 49574 | 2021-07-28 16:49:59 |
 bhe-20210728ex99_2s9.jpg | 69651 | 2021-07-28 16:49:59 |
| bhe-20210728_htm.xml | 4531 | 2021-07-28 16:49:59 |
| bhe-20210728_lab.xml | 12936 | 2021-07-28 16:49:59 |
| bhe-20210728_pre.xml | 9576 | 2021-07-28 16:49:59 |
| FilingSummary.xml | 1767 | 2021-07-28 16:49:59 |
| Financial_Report.xlsx | 5700 | 2021-07-28 16:49:59 |
| MetaLinks.json | 17472 | 2021-07-28 16:49:59 |
| R1.htm | 38637 | 2021-07-28 16:49:59 |
| report.css | 2767 | 2021-07-28 16:49:59 |
| Show.js | 1085 | 2021-07-28 16:49:59 |