Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-225031-index-headers.html | 2012-05-10 14:37:14 | |
| 0001193125-12-225031-index.html | 2012-05-10 14:37:14 | |
| 0001193125-12-225031.txt | 2012-05-10 14:37:14 | |
 0001193125-12-225031-xbrl.zip | 43090 | 2012-05-10 14:37:14 |
| d328910d10q.htm | 412445 | 2012-05-10 14:37:14 |
| d328910dex311.htm | 9723 | 2012-05-10 14:37:14 |
| d328910dex312.htm | 9794 | 2012-05-10 14:37:14 |
| d328910dex321.htm | 3436 | 2012-05-10 14:37:14 |
| d328910dex322.htm | 3446 | 2012-05-10 14:37:14 |
| FilingSummary.xml | 8451 | 2012-05-10 14:37:14 |
| Financial_Report.xls | 202319 | 2012-05-10 14:37:14 |
| ntri-20120331.xml | 233468 | 2012-05-10 14:37:14 |
| ntri-20120331.xsd | 11145 | 2012-05-10 14:37:14 |
| ntri-20120331_cal.xml | 37890 | 2012-05-10 14:37:14 |
| ntri-20120331_def.xml | 9750 | 2012-05-10 14:37:14 |
| ntri-20120331_lab.xml | 126113 | 2012-05-10 14:37:14 |
| ntri-20120331_pre.xml | 85056 | 2012-05-10 14:37:14 |
| R1.htm | 26719 | 2012-05-10 14:37:14 |
| R10.htm | 10808 | 2012-05-10 14:37:14 |
| R11.htm | 17743 | 2012-05-10 14:37:14 |
| R12.htm | 58802 | 2012-05-10 14:37:14 |
| R13.htm | 22564 | 2012-05-10 14:37:14 |
| R14.htm | 9913 | 2012-05-10 14:37:14 |
| R15.htm | 6365 | 2012-05-10 14:37:14 |
| R2.htm | 121653 | 2012-05-10 14:37:14 |
| R3.htm | 29653 | 2012-05-10 14:37:14 |
| R4.htm | 65613 | 2012-05-10 14:37:14 |
| R5.htm | 52234 | 2012-05-10 14:37:14 |
| R6.htm | 40162 | 2012-05-10 14:37:14 |
| R7.htm | 116425 | 2012-05-10 14:37:14 |
| R8.htm | 7557 | 2012-05-10 14:37:14 |
| R9.htm | 78844 | 2012-05-10 14:37:14 |
| report.css | 2721 | 2012-05-10 14:37:14 |
| Show.js | 6423 | 2012-05-10 14:37:14 |