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| 0001486957-20-000051-index.html | 2020-11-02 06:52:30 | |
| 0001486957-20-000051.txt | 2020-11-02 06:52:30 | |
 0001486957-20-000051-xbrl.zip | 298710 | 2020-11-02 06:52:30 |
| bwxt-20200930.htm | 2380429 | 2020-11-02 06:52:30 |
| bwxt-20200930.xsd | 41338 | 2020-11-02 06:52:30 |
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| bwxt-20200930_lab.xml | 589321 | 2020-11-02 06:52:30 |
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| exhibit3229302010q.htm | 6073 | 2020-11-02 06:52:30 |
| FilingSummary.xml | 31559 | 2020-11-02 06:52:30 |
| Financial_Report.xlsx | 85978 | 2020-11-02 06:52:30 |
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| report.css | 2767 | 2020-11-02 06:52:30 |
| Show.js | 1085 | 2020-11-02 06:52:30 |