Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000103872-15-000005-index-headers.html | 2015-03-13 16:01:05 | |
| 0000103872-15-000005-index.html | 2015-03-13 16:01:05 | |
| 0000103872-15-000005.txt | 2015-03-13 16:01:05 | |
 0000103872-15-000005-xbrl.zip | 108855 | 2015-03-13 16:01:05 |
| a02012015-ex311.htm | 13570 | 2015-03-13 16:01:05 |
| a02012015-ex312.htm | 14148 | 2015-03-13 16:01:05 |
| a02012015-ex321.htm | 7428 | 2015-03-13 16:01:05 |
| a02012015-ex322.htm | 7560 | 2015-03-13 16:01:05 |
| FilingSummary.xml | 18826 | 2015-03-13 16:01:05 |
| Financial_Report.xls | 515976 | 2015-03-13 16:01:05 |
| Financial_Report.xlsx | 83851 | 2015-03-13 16:01:05 |
| R1.htm | 29581 | 2015-03-13 16:01:05 |
| R10.htm | 12718 | 2015-03-13 16:01:05 |
| R11.htm | 48610 | 2015-03-13 16:01:05 |
| R12.htm | 45153 | 2015-03-13 16:01:05 |
| R13.htm | 11213 | 2015-03-13 16:01:05 |
| R14.htm | 13864 | 2015-03-13 16:01:05 |
| R15.htm | 10405 | 2015-03-13 16:01:05 |
| R16.htm | 11573 | 2015-03-13 16:01:05 |
| R17.htm | 38679 | 2015-03-13 16:01:05 |
| R18.htm | 11327 | 2015-03-13 16:01:05 |
| R19.htm | 69860 | 2015-03-13 16:01:05 |
| R2.htm | 108161 | 2015-03-13 16:01:05 |
| R20.htm | 6984 | 2015-03-13 16:01:05 |
| R21.htm | 13260 | 2015-03-13 16:01:05 |
| R22.htm | 44871 | 2015-03-13 16:01:05 |
| R23.htm | 76558 | 2015-03-13 16:01:05 |
| R24.htm | 36002 | 2015-03-13 16:01:05 |
| R25.htm | 64199 | 2015-03-13 16:01:05 |
| R26.htm | 63772 | 2015-03-13 16:01:05 |
| R27.htm | 45616 | 2015-03-13 16:01:05 |
| R28.htm | 52224 | 2015-03-13 16:01:05 |
| R29.htm | 46355 | 2015-03-13 16:01:05 |
| R3.htm | 6288 | 2015-03-13 16:01:05 |
| R30.htm | 21245 | 2015-03-13 16:01:05 |
| R31.htm | 22384 | 2015-03-13 16:01:05 |
| R32.htm | 6899 | 2015-03-13 16:01:05 |
| R33.htm | 40366 | 2015-03-13 16:01:05 |
| R34.htm | 54233 | 2015-03-13 16:01:05 |
| R35.htm | 13069 | 2015-03-13 16:01:05 |
| R36.htm | 74899 | 2015-03-13 16:01:05 |
| R37.htm | 13832 | 2015-03-13 16:01:05 |
| R4.htm | 25164 | 2015-03-13 16:01:05 |
| R5.htm | 10791 | 2015-03-13 16:01:05 |
| R6.htm | 125925 | 2015-03-13 16:01:05 |
| R7.htm | 34085 | 2015-03-13 16:01:05 |
| R8.htm | 138056 | 2015-03-13 16:01:05 |
| R9.htm | 8568 | 2015-03-13 16:01:05 |
| report.css | 2740 | 2015-03-13 16:01:05 |
| Show.js | 1410 | 2015-03-13 16:01:05 |
| visi-02012015x10q.htm | 677563 | 2015-03-13 16:01:05 |
| visi-20150201.xml | 578359 | 2015-03-13 16:01:05 |
| visi-20150201.xsd | 28498 | 2015-03-13 16:01:05 |
| visi-20150201_cal.xml | 78832 | 2015-03-13 16:01:05 |
| visi-20150201_def.xml | 118637 | 2015-03-13 16:01:05 |
| visi-20150201_lab.xml | 420998 | 2015-03-13 16:01:05 |
| visi-20150201_pre.xml | 241315 | 2015-03-13 16:01:05 |