Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001058690-14-000003-index-headers.html | 2014-03-14 15:07:31 | |
| 0001058690-14-000003-index.html | 2014-03-14 15:07:31 | |
| 0001058690-14-000003.txt | 2014-03-14 15:07:31 | |
 0001058690-14-000003-xbrl.zip | 446449 | 2014-03-14 15:07:31 |
| FilingSummary.xml | 41764 | 2014-03-14 15:07:31 |
| Financial_Report.xls | 4819017 | 2014-03-14 15:07:31 |
| Financial_Report.xlsx | 504054 | 2014-03-14 15:07:31 |
| R1.htm | 37311 | 2014-03-14 15:07:31 |
| R10.htm | 76898 | 2014-03-14 15:07:31 |
| R11.htm | 6958 | 2014-03-14 15:07:31 |
| R12.htm | 5936 | 2014-03-14 15:07:31 |
| R13.htm | 204750 | 2014-03-14 15:07:31 |
| R14.htm | 20771 | 2014-03-14 15:07:31 |
| R15.htm | 776186 | 2014-03-14 15:07:31 |
| R16.htm | 173564 | 2014-03-14 15:07:31 |
| R17.htm | 26762 | 2014-03-14 15:07:31 |
| R18.htm | 57403 | 2014-03-14 15:07:31 |
| R19.htm | 18130 | 2014-03-14 15:07:31 |
| R2.htm | 117139 | 2014-03-14 15:07:31 |
| R20.htm | 48787 | 2014-03-14 15:07:31 |
| R21.htm | 16908 | 2014-03-14 15:07:31 |
| R22.htm | 8707 | 2014-03-14 15:07:31 |
| R23.htm | 92218 | 2014-03-14 15:07:31 |
| R24.htm | 33467 | 2014-03-14 15:07:31 |
| R25.htm | 19947 | 2014-03-14 15:07:31 |
| R26.htm | 54458 | 2014-03-14 15:07:31 |
| R27.htm | 35258 | 2014-03-14 15:07:31 |
| R28.htm | 106194 | 2014-03-14 15:07:31 |
| R29.htm | 265044 | 2014-03-14 15:07:31 |
| R3.htm | 18661 | 2014-03-14 15:07:31 |
| R30.htm | 135426 | 2014-03-14 15:07:31 |
| R31.htm | 34826 | 2014-03-14 15:07:31 |
| R32.htm | 25021 | 2014-03-14 15:07:31 |
| R33.htm | 112017 | 2014-03-14 15:07:31 |
| R34.htm | 6511 | 2014-03-14 15:07:31 |
| R35.htm | 158293 | 2014-03-14 15:07:31 |
| R36.htm | 208301 | 2014-03-14 15:07:31 |
| R37.htm | 20461 | 2014-03-14 15:07:31 |
| R38.htm | 773473 | 2014-03-14 15:07:31 |
| R39.htm | 177952 | 2014-03-14 15:07:31 |
| R4.htm | 169384 | 2014-03-14 15:07:31 |
| R40.htm | 24886 | 2014-03-14 15:07:31 |
| R41.htm | 53284 | 2014-03-14 15:07:31 |
| R42.htm | 18286 | 2014-03-14 15:07:31 |
| R43.htm | 48630 | 2014-03-14 15:07:31 |
| R44.htm | 13904 | 2014-03-14 15:07:31 |
| R45.htm | 93490 | 2014-03-14 15:07:31 |
| R46.htm | 30520 | 2014-03-14 15:07:31 |
| R47.htm | 43597 | 2014-03-14 15:07:31 |
| R48.htm | 11538 | 2014-03-14 15:07:31 |
| R49.htm | 100627 | 2014-03-14 15:07:31 |
| R5.htm | 33322 | 2014-03-14 15:07:31 |
| R50.htm | 248190 | 2014-03-14 15:07:31 |
| R51.htm | 137043 | 2014-03-14 15:07:31 |
| R52.htm | 29658 | 2014-03-14 15:07:31 |
| R53.htm | 20560 | 2014-03-14 15:07:31 |
| R54.htm | 109670 | 2014-03-14 15:07:31 |
| R55.htm | 46188 | 2014-03-14 15:07:31 |
| R56.htm | 6476 | 2014-03-14 15:07:31 |
| R57.htm | 6801 | 2014-03-14 15:07:31 |
| R58.htm | 200238 | 2014-03-14 15:07:31 |
| R59.htm | 17905 | 2014-03-14 15:07:31 |
| R6.htm | 5446 | 2014-03-14 15:07:31 |
| R60.htm | 316747 | 2014-03-14 15:07:31 |
| R61.htm | 101852 | 2014-03-14 15:07:31 |
| R62.htm | 24956 | 2014-03-14 15:07:31 |
| R63.htm | 63979 | 2014-03-14 15:07:31 |
| R64.htm | 16262 | 2014-03-14 15:07:31 |
| R65.htm | 21486 | 2014-03-14 15:07:31 |
| R66.htm | 31239 | 2014-03-14 15:07:31 |
| R67.htm | 34846 | 2014-03-14 15:07:31 |
| R68.htm | 18162 | 2014-03-14 15:07:31 |
| R69.htm | 135244 | 2014-03-14 15:07:31 |
| R7.htm | 69341 | 2014-03-14 15:07:31 |
| R70.htm | 44969 | 2014-03-14 15:07:31 |
| R71.htm | 20467 | 2014-03-14 15:07:31 |
| R72.htm | 133380 | 2014-03-14 15:07:31 |
| R73.htm | 96371 | 2014-03-14 15:07:31 |
| R74.htm | 78374 | 2014-03-14 15:07:31 |
| R75.htm | 97535 | 2014-03-14 15:07:31 |
| R76.htm | 62844 | 2014-03-14 15:07:31 |
| R77.htm | 54810 | 2014-03-14 15:07:31 |
| R78.htm | 67586 | 2014-03-14 15:07:31 |
| R79.htm | 73842 | 2014-03-14 15:07:31 |
| R8.htm | 7301 | 2014-03-14 15:07:31 |
| R80.htm | 46457 | 2014-03-14 15:07:31 |
| R81.htm | 24103 | 2014-03-14 15:07:31 |
| R82.htm | 57237 | 2014-03-14 15:07:31 |
| R83.htm | 13680 | 2014-03-14 15:07:31 |
| R9.htm | 187117 | 2014-03-14 15:07:31 |
| report.css | 2740 | 2014-03-14 15:07:31 |
| Show.js | 1410 | 2014-03-14 15:07:31 |
| wbco-20131231.xml | 5808388 | 2014-03-14 15:07:31 |
| wbco-20131231.xsd | 89059 | 2014-03-14 15:07:31 |
| wbco-20131231_cal.xml | 173716 | 2014-03-14 15:07:31 |
| wbco-20131231_def.xml | 316273 | 2014-03-14 15:07:31 |
| wbco-20131231_lab.xml | 1206394 | 2014-03-14 15:07:31 |
| wbco-20131231_pre.xml | 625975 | 2014-03-14 15:07:31 |
| wbco-2013xdec31x10k.htm | 4956924 | 2014-03-14 15:07:31 |
| wbco-ex121_20131231x10xk.htm | 72164 | 2014-03-14 15:07:31 |
| wbco-ex21_20131231x10xk.htm | 2184 | 2014-03-14 15:07:31 |
| wbco-ex231_20131231x10xk.htm | 6661 | 2014-03-14 15:07:31 |
| wbco-ex24_20131231x10xk.htm | 15082 | 2014-03-14 15:07:31 |
| wbco-ex311_20131231x10k.htm | 14825 | 2014-03-14 15:07:31 |
| wbco-ex312_20131231x10k.htm | 14894 | 2014-03-14 15:07:31 |
| wbco-ex321_20131231x10k.htm | 6605 | 2014-03-14 15:07:31 |
| wbco-ex322_20131231x10k.htm | 6786 | 2014-03-14 15:07:31 |
 wbcostockperformance.jpg | 42592 | 2014-03-14 15:07:31 |