Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-13-110140-index-headers.html | 2013-03-15 16:57:04 | |
| 0001193125-13-110140-index.html | 2013-03-15 16:57:04 | |
| 0001193125-13-110140.txt | 2013-03-15 16:57:04 | |
 0001193125-13-110140-xbrl.zip | 161626 | 2013-03-15 16:57:04 |
| d444489d10k.htm | 1152219 | 2013-03-15 16:57:04 |
| d444489dex211.htm | 4548 | 2013-03-15 16:57:04 |
| d444489dex231.htm | 1257 | 2013-03-15 16:57:04 |
| d444489dex311.htm | 9725 | 2013-03-15 16:57:04 |
| d444489dex312.htm | 9754 | 2013-03-15 16:57:04 |
| d444489dex321.htm | 2789 | 2013-03-15 16:57:04 |
| d444489dex322.htm | 2999 | 2013-03-15 16:57:04 |
| FilingSummary.xml | 37955 | 2013-03-15 16:57:04 |
| Financial_Report.xls | 1183254 | 2013-03-15 16:57:04 |
 g444489g51t88.jpg | 58497 | 2013-03-15 16:57:04 |
| nnbr-20121231.xml | 1315944 | 2013-03-15 16:57:04 |
| nnbr-20121231.xsd | 70033 | 2013-03-15 16:57:04 |
| nnbr-20121231_cal.xml | 110567 | 2013-03-15 16:57:04 |
| nnbr-20121231_def.xml | 168294 | 2013-03-15 16:57:04 |
| nnbr-20121231_lab.xml | 536780 | 2013-03-15 16:57:04 |
| nnbr-20121231_pre.xml | 417360 | 2013-03-15 16:57:04 |
| R1.htm | 37245 | 2013-03-15 16:57:04 |
| R10.htm | 47967 | 2013-03-15 16:57:04 |
| R11.htm | 9777 | 2013-03-15 16:57:04 |
| R12.htm | 30529 | 2013-03-15 16:57:04 |
| R13.htm | 6639 | 2013-03-15 16:57:04 |
| R14.htm | 14397 | 2013-03-15 16:57:04 |
| R15.htm | 22320 | 2013-03-15 16:57:04 |
| R16.htm | 35099 | 2013-03-15 16:57:04 |
| R17.htm | 23596 | 2013-03-15 16:57:04 |
| R18.htm | 39745 | 2013-03-15 16:57:04 |
| R19.htm | 12889 | 2013-03-15 16:57:04 |
| R2.htm | 139631 | 2013-03-15 16:57:04 |
| R20.htm | 8154 | 2013-03-15 16:57:04 |
| R21.htm | 95349 | 2013-03-15 16:57:04 |
| R22.htm | 114975 | 2013-03-15 16:57:04 |
| R23.htm | 20847 | 2013-03-15 16:57:04 |
| R24.htm | 16619 | 2013-03-15 16:57:04 |
| R25.htm | 48234 | 2013-03-15 16:57:04 |
| R26.htm | 20016 | 2013-03-15 16:57:04 |
| R27.htm | 6575 | 2013-03-15 16:57:04 |
| R28.htm | 110096 | 2013-03-15 16:57:04 |
| R29.htm | 13864 | 2013-03-15 16:57:04 |
| R3.htm | 16174 | 2013-03-15 16:57:04 |
| R30.htm | 29457 | 2013-03-15 16:57:04 |
| R31.htm | 11611 | 2013-03-15 16:57:04 |
| R32.htm | 19909 | 2013-03-15 16:57:04 |
| R33.htm | 31967 | 2013-03-15 16:57:04 |
| R34.htm | 12023 | 2013-03-15 16:57:04 |
| R35.htm | 31949 | 2013-03-15 16:57:04 |
| R36.htm | 13390 | 2013-03-15 16:57:04 |
| R37.htm | 86509 | 2013-03-15 16:57:04 |
| R38.htm | 114422 | 2013-03-15 16:57:04 |
| R39.htm | 18188 | 2013-03-15 16:57:04 |
| R4.htm | 97449 | 2013-03-15 16:57:04 |
| R40.htm | 11034 | 2013-03-15 16:57:04 |
| R41.htm | 41952 | 2013-03-15 16:57:04 |
| R42.htm | 11458 | 2013-03-15 16:57:04 |
| R43.htm | 32752 | 2013-03-15 16:57:04 |
| R44.htm | 9264 | 2013-03-15 16:57:04 |
| R45.htm | 30422 | 2013-03-15 16:57:04 |
| R46.htm | 12869 | 2013-03-15 16:57:04 |
| R47.htm | 15315 | 2013-03-15 16:57:04 |
| R48.htm | 20874 | 2013-03-15 16:57:04 |
| R49.htm | 27158 | 2013-03-15 16:57:04 |
| R5.htm | 7411 | 2013-03-15 16:57:04 |
| R50.htm | 14739 | 2013-03-15 16:57:04 |
| R51.htm | 6582 | 2013-03-15 16:57:04 |
| R52.htm | 25312 | 2013-03-15 16:57:04 |
| R53.htm | 21747 | 2013-03-15 16:57:04 |
| R54.htm | 27257 | 2013-03-15 16:57:04 |
| R55.htm | 26233 | 2013-03-15 16:57:04 |
| R56.htm | 27233 | 2013-03-15 16:57:04 |
| R57.htm | 101249 | 2013-03-15 16:57:04 |
| R58.htm | 15328 | 2013-03-15 16:57:04 |
| R59.htm | 32266 | 2013-03-15 16:57:04 |
| R6.htm | 58408 | 2013-03-15 16:57:04 |
| R60.htm | 19681 | 2013-03-15 16:57:04 |
| R61.htm | 49646 | 2013-03-15 16:57:04 |
| R62.htm | 68818 | 2013-03-15 16:57:04 |
| R63.htm | 14008 | 2013-03-15 16:57:04 |
| R64.htm | 11989 | 2013-03-15 16:57:04 |
| R65.htm | 18188 | 2013-03-15 16:57:04 |
| R66.htm | 62467 | 2013-03-15 16:57:04 |
| R67.htm | 20059 | 2013-03-15 16:57:04 |
| R68.htm | 12487 | 2013-03-15 16:57:04 |
| R69.htm | 52502 | 2013-03-15 16:57:04 |
| R7.htm | 6186 | 2013-03-15 16:57:04 |
| R70.htm | 36295 | 2013-03-15 16:57:04 |
| R71.htm | 71107 | 2013-03-15 16:57:04 |
| R72.htm | 14057 | 2013-03-15 16:57:04 |
| R73.htm | 13655 | 2013-03-15 16:57:04 |
| R74.htm | 78207 | 2013-03-15 16:57:04 |
| R75.htm | 38896 | 2013-03-15 16:57:04 |
| R76.htm | 16908 | 2013-03-15 16:57:04 |
| R77.htm | 31147 | 2013-03-15 16:57:04 |
| R78.htm | 5668 | 2013-03-15 16:57:04 |
| R79.htm | 47258 | 2013-03-15 16:57:04 |
| R8.htm | 157058 | 2013-03-15 16:57:04 |
| R80.htm | 34827 | 2013-03-15 16:57:04 |
| R81.htm | 14591 | 2013-03-15 16:57:04 |
| R82.htm | 13729 | 2013-03-15 16:57:04 |
| R9.htm | 16851 | 2013-03-15 16:57:04 |
| report.css | 2721 | 2013-03-15 16:57:04 |
| Show.js | 6423 | 2013-03-15 16:57:04 |