Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000808450-19-000227-index-headers.html | 2019-12-04 16:08:42 | |
| 0000808450-19-000227-index.html | 2019-12-04 16:08:42 | |
| 0000808450-19-000227.txt | 2019-12-04 16:08:42 | |
 0000808450-19-000227-xbrl.zip | 30654 | 2019-12-04 16:08:42 |
| a2019q4noticeofearnings.htm | 54356 | 2019-12-04 16:08:42 |
| a2019q4noticeofearnings_htm.xml | 6903 | 2019-12-04 16:08:42 |
| FilingSummary.xml | 2038 | 2019-12-04 16:08:42 |
| Financial_Report.xlsx | 5957 | 2019-12-04 16:08:42 |
| MetaLinks.json | 23928 | 2019-12-04 16:08:42 |
| nav-20191204.xsd | 4661 | 2019-12-04 16:08:42 |
| nav-20191204_cal.xml | 700 | 2019-12-04 16:08:42 |
| nav-20191204_def.xml | 17123 | 2019-12-04 16:08:42 |
| nav-20191204_lab.xml | 35903 | 2019-12-04 16:08:42 |
| nav-20191204_pre.xml | 18727 | 2019-12-04 16:08:42 |
 navlogoa44.jpg | 12457 | 2019-12-04 16:08:42 |
| noticeofearningspressr.htm | 6388 | 2019-12-04 16:08:42 |
 pressreleaseheadinga21.jpg | 24365 | 2019-12-04 16:08:42 |
| R1.htm | 43857 | 2019-12-04 16:08:42 |
| report.css | 2767 | 2019-12-04 16:08:42 |
| Show.js | 1085 | 2019-12-04 16:08:42 |