Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000011544-15-000067-index-headers.html | 2015-08-06 17:52:41 | |
| 0000011544-15-000067-index.html | 2015-08-06 17:52:41 | |
| 0000011544-15-000067.txt | 2015-08-06 17:52:41 | |
 0000011544-15-000067-xbrl.zip | 289981 | 2015-08-06 17:52:41 |
| FilingSummary.xml | 45468 | 2015-08-06 17:52:41 |
| Financial_Report.xlsx | 94847 | 2015-08-06 17:52:41 |
| R1.htm | 20554 | 2015-08-06 17:52:41 |
| R10.htm | 8595 | 2015-08-06 17:52:41 |
| R11.htm | 21542 | 2015-08-06 17:52:41 |
| R12.htm | 227928 | 2015-08-06 17:52:41 |
| R13.htm | 6792 | 2015-08-06 17:52:41 |
| R14.htm | 244102 | 2015-08-06 17:52:41 |
| R15.htm | 47369 | 2015-08-06 17:52:41 |
| R16.htm | 5855 | 2015-08-06 17:52:41 |
| R17.htm | 37874 | 2015-08-06 17:52:41 |
| R18.htm | 30836 | 2015-08-06 17:52:41 |
| R19.htm | 17921 | 2015-08-06 17:52:41 |
| R2.htm | 99886 | 2015-08-06 17:52:41 |
| R20.htm | 46940 | 2015-08-06 17:52:41 |
| R21.htm | 75492 | 2015-08-06 17:52:41 |
| R22.htm | 131476 | 2015-08-06 17:52:41 |
| R23.htm | 357156 | 2015-08-06 17:52:41 |
| R24.htm | 58971 | 2015-08-06 17:52:41 |
| R25.htm | 357188 | 2015-08-06 17:52:41 |
| R26.htm | 14722 | 2015-08-06 17:52:41 |
| R27.htm | 7186 | 2015-08-06 17:52:41 |
| R28.htm | 230020 | 2015-08-06 17:52:41 |
| R29.htm | 16247 | 2015-08-06 17:52:41 |
| R3.htm | 24825 | 2015-08-06 17:52:41 |
| R30.htm | 15053 | 2015-08-06 17:52:41 |
| R31.htm | 224577 | 2015-08-06 17:52:41 |
| R32.htm | 244418 | 2015-08-06 17:52:41 |
| R33.htm | 47066 | 2015-08-06 17:52:41 |
| R34.htm | 39567 | 2015-08-06 17:52:41 |
| R35.htm | 27935 | 2015-08-06 17:52:41 |
| R36.htm | 13392 | 2015-08-06 17:52:41 |
| R37.htm | 42383 | 2015-08-06 17:52:41 |
| R38.htm | 74426 | 2015-08-06 17:52:41 |
| R39.htm | 129114 | 2015-08-06 17:52:41 |
| R4.htm | 61770 | 2015-08-06 17:52:41 |
| R40.htm | 310376 | 2015-08-06 17:52:41 |
| R41.htm | 55162 | 2015-08-06 17:52:41 |
| R42.htm | 44960 | 2015-08-06 17:52:41 |
| R43.htm | 11576 | 2015-08-06 17:52:41 |
| R44.htm | 226041 | 2015-08-06 17:52:41 |
| R45.htm | 5352 | 2015-08-06 17:52:41 |
| R46.htm | 8438 | 2015-08-06 17:52:41 |
| R47.htm | 39091 | 2015-08-06 17:52:41 |
| R48.htm | 11426 | 2015-08-06 17:52:41 |
| R49.htm | 97380 | 2015-08-06 17:52:41 |
| R5.htm | 27222 | 2015-08-06 17:52:41 |
| R50.htm | 6895 | 2015-08-06 17:52:41 |
| R51.htm | 124406 | 2015-08-06 17:52:41 |
| R52.htm | 134160 | 2015-08-06 17:52:41 |
| R53.htm | 17201 | 2015-08-06 17:52:41 |
| R54.htm | 5467 | 2015-08-06 17:52:41 |
| R55.htm | 21863 | 2015-08-06 17:52:41 |
| R56.htm | 26223 | 2015-08-06 17:52:41 |
| R57.htm | 10668 | 2015-08-06 17:52:41 |
| R58.htm | 20513 | 2015-08-06 17:52:41 |
| R59.htm | 27617 | 2015-08-06 17:52:41 |
| R6.htm | 66582 | 2015-08-06 17:52:41 |
| R60.htm | 22459 | 2015-08-06 17:52:41 |
| R61.htm | 20943 | 2015-08-06 17:52:41 |
| R62.htm | 58600 | 2015-08-06 17:52:41 |
| R63.htm | 40903 | 2015-08-06 17:52:41 |
| R64.htm | 25506 | 2015-08-06 17:52:41 |
| R65.htm | 71294 | 2015-08-06 17:52:41 |
| R66.htm | 77184 | 2015-08-06 17:52:41 |
| R67.htm | 32571 | 2015-08-06 17:52:41 |
| R68.htm | 33243 | 2015-08-06 17:52:41 |
| R69.htm | 17075 | 2015-08-06 17:52:41 |
| R7.htm | 105908 | 2015-08-06 17:52:41 |
| R70.htm | 48560 | 2015-08-06 17:52:41 |
| R71.htm | 16092 | 2015-08-06 17:52:41 |
| R72.htm | 41788 | 2015-08-06 17:52:41 |
| R8.htm | 8614 | 2015-08-06 17:52:41 |
| R9.htm | 18360 | 2015-08-06 17:52:41 |
| report.css | 2767 | 2015-08-06 17:52:41 |
| Show.js | 1410 | 2015-08-06 17:52:41 |
| wrb-20150630.xml | 4129663 | 2015-08-06 17:52:41 |
| wrb-20150630.xsd | 63194 | 2015-08-06 17:52:41 |
| wrb-20150630_cal.xml | 115291 | 2015-08-06 17:52:41 |
| wrb-20150630_def.xml | 360828 | 2015-08-06 17:52:41 |
| wrb-20150630_lab.xml | 781717 | 2015-08-06 17:52:41 |
| wrb-20150630_pre.xml | 500970 | 2015-08-06 17:52:41 |
| wrb630201510q.htm | 2133323 | 2015-08-06 17:52:41 |
| wrb6302015ex101.htm | 75813 | 2015-08-06 17:52:41 |
| wrb6302015ex311.htm | 8543 | 2015-08-06 17:52:41 |
| wrb6302015ex312.htm | 8706 | 2015-08-06 17:52:41 |
| wrb6302015ex321.htm | 6804 | 2015-08-06 17:52:41 |