Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000014195-19-000016-index-headers.html | 2019-05-07 15:40:26 | |
| 0000014195-19-000016-index.html | 2019-05-07 15:40:26 | |
| 0000014195-19-000016.txt | 2019-05-07 15:40:26 | |
 0000014195-19-000016-xbrl.zip | 232417 | 2019-05-07 15:40:26 |
| bgg-20190331.xml | 2227236 | 2019-05-07 15:40:26 |
| bgg-20190331.xsd | 52415 | 2019-05-07 15:40:26 |
| bgg-20190331_cal.xml | 73509 | 2019-05-07 15:40:26 |
| bgg-20190331_def.xml | 380213 | 2019-05-07 15:40:26 |
| bgg-20190331_lab.xml | 585639 | 2019-05-07 15:40:26 |
| bgg-20190331_pre.xml | 412149 | 2019-05-07 15:40:26 |
| bgg-3312019.htm | 1654174 | 2019-05-07 15:40:26 |
| ex101-serpxamendement.htm | 2332 | 2019-05-07 15:40:26 |
| ex311-bggx3312019.htm | 14550 | 2019-05-07 15:40:26 |
| ex312-bggx3312019.htm | 14380 | 2019-05-07 15:40:26 |
| ex321-bggx3312019.htm | 5950 | 2019-05-07 15:40:26 |
| ex322-bggx3312019.htm | 5945 | 2019-05-07 15:40:26 |
| FilingSummary.xml | 34688 | 2019-05-07 15:40:26 |
| Financial_Report.xlsx | 80331 | 2019-05-07 15:40:26 |
 g175505g63f86newa01.jpg | 7994 | 2019-05-07 15:40:26 |
| R1.htm | 20523 | 2019-05-07 15:40:26 |
| R10.htm | 67992 | 2019-05-07 15:40:26 |
| R11.htm | 9201 | 2019-05-07 15:40:26 |
| R12.htm | 22046 | 2019-05-07 15:40:26 |
| R13.htm | 232121 | 2019-05-07 15:40:26 |
| R14.htm | 42087 | 2019-05-07 15:40:26 |
| R15.htm | 53867 | 2019-05-07 15:40:26 |
| R16.htm | 73497 | 2019-05-07 15:40:26 |
| R17.htm | 6678 | 2019-05-07 15:40:26 |
| R18.htm | 169694 | 2019-05-07 15:40:26 |
| R19.htm | 45382 | 2019-05-07 15:40:26 |
| R2.htm | 98653 | 2019-05-07 15:40:26 |
| R20.htm | 18188 | 2019-05-07 15:40:26 |
| R21.htm | 11746 | 2019-05-07 15:40:26 |
| R22.htm | 14052 | 2019-05-07 15:40:26 |
| R23.htm | 107418 | 2019-05-07 15:40:26 |
| R24.htm | 38970 | 2019-05-07 15:40:26 |
| R25.htm | 49012 | 2019-05-07 15:40:26 |
| R26.htm | 5890 | 2019-05-07 15:40:26 |
| R27.htm | 231790 | 2019-05-07 15:40:26 |
| R28.htm | 40269 | 2019-05-07 15:40:26 |
| R29.htm | 52588 | 2019-05-07 15:40:26 |
| R3.htm | 9331 | 2019-05-07 15:40:26 |
| R30.htm | 71001 | 2019-05-07 15:40:26 |
| R31.htm | 165830 | 2019-05-07 15:40:26 |
| R32.htm | 38784 | 2019-05-07 15:40:26 |
| R33.htm | 18052 | 2019-05-07 15:40:26 |
| R34.htm | 110675 | 2019-05-07 15:40:26 |
| R35.htm | 32502 | 2019-05-07 15:40:26 |
| R36.htm | 80332 | 2019-05-07 15:40:26 |
| R37.htm | 19920 | 2019-05-07 15:40:26 |
| R38.htm | 6765 | 2019-05-07 15:40:26 |
| R39.htm | 9149 | 2019-05-07 15:40:26 |
| R4.htm | 40474 | 2019-05-07 15:40:26 |
| R40.htm | 44508 | 2019-05-07 15:40:26 |
| R41.htm | 22251 | 2019-05-07 15:40:26 |
| R42.htm | 15821 | 2019-05-07 15:40:26 |
| R43.htm | 5412 | 2019-05-07 15:40:26 |
| R44.htm | 16820 | 2019-05-07 15:40:26 |
| R45.htm | 35026 | 2019-05-07 15:40:26 |
| R46.htm | 20068 | 2019-05-07 15:40:26 |
| R47.htm | 31190 | 2019-05-07 15:40:26 |
| R48.htm | 14706 | 2019-05-07 15:40:26 |
| R49.htm | 9554 | 2019-05-07 15:40:26 |
| R5.htm | 19244 | 2019-05-07 15:40:26 |
| R50.htm | 9509 | 2019-05-07 15:40:26 |
| R51.htm | 8036 | 2019-05-07 15:40:26 |
| R52.htm | 8657 | 2019-05-07 15:40:26 |
| R53.htm | 16486 | 2019-05-07 15:40:26 |
| R54.htm | 6615 | 2019-05-07 15:40:26 |
| R55.htm | 6483 | 2019-05-07 15:40:26 |
| R56.htm | 47669 | 2019-05-07 15:40:26 |
| R6.htm | 77395 | 2019-05-07 15:40:26 |
| R7.htm | 67995 | 2019-05-07 15:40:26 |
| R8.htm | 67991 | 2019-05-07 15:40:26 |
| R9.htm | 68000 | 2019-05-07 15:40:26 |
| R9999.htm | 2543 | 2019-05-07 15:40:26 |
| report.css | 2767 | 2019-05-07 15:40:26 |
| Show.js | 1085 | 2019-05-07 15:40:26 |