Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000808450-20-000017-index-headers.html | 2020-02-21 16:11:29 | |
| 0000808450-20-000017-index.html | 2020-02-21 16:11:29 | |
| 0000808450-20-000017.txt | 2020-02-21 16:11:29 | |
 0000808450-20-000017-xbrl.zip | 30651 | 2020-02-21 16:11:29 |
| a2020q1noticeofearnings.htm | 54446 | 2020-02-21 16:11:29 |
| a2020q1noticeofearnings_htm.xml | 7020 | 2020-02-21 16:11:29 |
| FilingSummary.xml | 2043 | 2020-02-21 16:11:29 |
| Financial_Report.xlsx | 5957 | 2020-02-21 16:11:29 |
| MetaLinks.json | 23938 | 2020-02-21 16:11:29 |
| nav-20200225.xsd | 4661 | 2020-02-21 16:11:29 |
| nav-20200225_cal.xml | 700 | 2020-02-21 16:11:29 |
| nav-20200225_def.xml | 17123 | 2020-02-21 16:11:29 |
| nav-20200225_lab.xml | 35903 | 2020-02-21 16:11:29 |
| nav-20200225_pre.xml | 18727 | 2020-02-21 16:11:29 |
 navlogoa51.jpg | 12457 | 2020-02-21 16:11:29 |
| noticeofearningspressr.htm | 6156 | 2020-02-21 16:11:29 |
 pressreleaseheadinga25.jpg | 24365 | 2020-02-21 16:11:29 |
| R1.htm | 43861 | 2020-02-21 16:11:29 |
| report.css | 2767 | 2020-02-21 16:11:29 |
| Show.js | 1085 | 2020-02-21 16:11:29 |