Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000907254-21-000090-index-headers.html | 2021-09-01 16:34:27 | |
| 0000907254-21-000090-index.html | 2021-09-01 16:34:27 | |
| 0000907254-21-000090.txt | 2021-09-01 16:34:27 | |
 0000907254-21-000090-xbrl.zip | 205574 | 2021-09-01 16:34:27 |
| bfs-20210831.htm | 50297 | 2021-09-01 16:34:27 |
| bfs-20210831.xsd | 2589 | 2021-09-01 16:34:27 |
| bfs-20210831_def.xml | 16822 | 2021-09-01 16:34:27 |
| bfs-20210831_htm.xml | 15610 | 2021-09-01 16:34:27 |
| bfs-20210831_lab.xml | 33049 | 2021-09-01 16:34:27 |
| bfs-20210831_pre.xml | 17547 | 2021-09-01 16:34:27 |
| exhibit101.htm | 761860 | 2021-09-01 16:34:27 |
 exhibit101001.jpg | 83576 | 2021-09-01 16:34:27 |
 exhibit101002.jpg | 209373 | 2021-09-01 16:34:27 |
 exhibit101003.jpg | 220876 | 2021-09-01 16:34:27 |
 exhibit101004.jpg | 228810 | 2021-09-01 16:34:27 |
 exhibit101005.jpg | 90209 | 2021-09-01 16:34:27 |
 exhibit101006.jpg | 221650 | 2021-09-01 16:34:27 |
 exhibit101007.jpg | 208796 | 2021-09-01 16:34:27 |
 exhibit101008.jpg | 239809 | 2021-09-01 16:34:27 |
 exhibit101009.jpg | 267445 | 2021-09-01 16:34:27 |
 exhibit101010.jpg | 264487 | 2021-09-01 16:34:27 |
 exhibit101011.jpg | 269844 | 2021-09-01 16:34:27 |
 exhibit101012.jpg | 260721 | 2021-09-01 16:34:27 |
 exhibit101013.jpg | 315122 | 2021-09-01 16:34:27 |
 exhibit101014.jpg | 234874 | 2021-09-01 16:34:27 |
 exhibit101015.jpg | 340563 | 2021-09-01 16:34:27 |
 exhibit101016.jpg | 284261 | 2021-09-01 16:34:27 |
 exhibit101017.jpg | 243748 | 2021-09-01 16:34:27 |
 exhibit101018.jpg | 326792 | 2021-09-01 16:34:27 |
 exhibit101019.jpg | 292414 | 2021-09-01 16:34:27 |
 exhibit101020.jpg | 316242 | 2021-09-01 16:34:27 |
 exhibit101021.jpg | 241305 | 2021-09-01 16:34:27 |
 exhibit101022.jpg | 270583 | 2021-09-01 16:34:27 |
 exhibit101023.jpg | 307599 | 2021-09-01 16:34:27 |
 exhibit101024.jpg | 298103 | 2021-09-01 16:34:27 |
 exhibit101025.jpg | 259684 | 2021-09-01 16:34:27 |
 exhibit101026.jpg | 257967 | 2021-09-01 16:34:27 |
 exhibit101027.jpg | 310620 | 2021-09-01 16:34:27 |
 exhibit101028.jpg | 263794 | 2021-09-01 16:34:27 |
 exhibit101029.jpg | 273008 | 2021-09-01 16:34:27 |
 exhibit101030.jpg | 278895 | 2021-09-01 16:34:27 |
 exhibit101031.jpg | 256950 | 2021-09-01 16:34:27 |
 exhibit101032.jpg | 284786 | 2021-09-01 16:34:27 |
 exhibit101033.jpg | 269661 | 2021-09-01 16:34:27 |
 exhibit101034.jpg | 294146 | 2021-09-01 16:34:27 |
 exhibit101035.jpg | 269958 | 2021-09-01 16:34:27 |
 exhibit101036.jpg | 243759 | 2021-09-01 16:34:27 |
 exhibit101037.jpg | 256238 | 2021-09-01 16:34:27 |
 exhibit101038.jpg | 212226 | 2021-09-01 16:34:27 |
 exhibit101039.jpg | 277954 | 2021-09-01 16:34:27 |
 exhibit101040.jpg | 269300 | 2021-09-01 16:34:27 |
 exhibit101041.jpg | 236202 | 2021-09-01 16:34:27 |
 exhibit101042.jpg | 314526 | 2021-09-01 16:34:27 |
 exhibit101043.jpg | 295905 | 2021-09-01 16:34:27 |
 exhibit101044.jpg | 307703 | 2021-09-01 16:34:27 |
 exhibit101045.jpg | 343136 | 2021-09-01 16:34:27 |
 exhibit101046.jpg | 278376 | 2021-09-01 16:34:27 |
 exhibit101047.jpg | 340952 | 2021-09-01 16:34:27 |
 exhibit101048.jpg | 333423 | 2021-09-01 16:34:27 |
 exhibit101049.jpg | 340398 | 2021-09-01 16:34:27 |
 exhibit101050.jpg | 343306 | 2021-09-01 16:34:27 |
 exhibit101051.jpg | 306439 | 2021-09-01 16:34:27 |
 exhibit101052.jpg | 318363 | 2021-09-01 16:34:27 |
 exhibit101053.jpg | 350778 | 2021-09-01 16:34:27 |
 exhibit101054.jpg | 279880 | 2021-09-01 16:34:27 |
 exhibit101055.jpg | 213479 | 2021-09-01 16:34:27 |
 exhibit101056.jpg | 312534 | 2021-09-01 16:34:27 |
 exhibit101057.jpg | 311218 | 2021-09-01 16:34:27 |
 exhibit101058.jpg | 278447 | 2021-09-01 16:34:27 |
 exhibit101059.jpg | 290921 | 2021-09-01 16:34:27 |
 exhibit101060.jpg | 337890 | 2021-09-01 16:34:27 |
 exhibit101061.jpg | 302677 | 2021-09-01 16:34:27 |
 exhibit101062.jpg | 339518 | 2021-09-01 16:34:27 |
 exhibit101063.jpg | 268248 | 2021-09-01 16:34:27 |
 exhibit101064.jpg | 297096 | 2021-09-01 16:34:27 |
 exhibit101065.jpg | 305161 | 2021-09-01 16:34:27 |
 exhibit101066.jpg | 297821 | 2021-09-01 16:34:27 |
 exhibit101067.jpg | 274971 | 2021-09-01 16:34:27 |
 exhibit101068.jpg | 299670 | 2021-09-01 16:34:27 |
 exhibit101069.jpg | 303476 | 2021-09-01 16:34:27 |
 exhibit101070.jpg | 243977 | 2021-09-01 16:34:27 |
 exhibit101071.jpg | 254152 | 2021-09-01 16:34:27 |
 exhibit101072.jpg | 286249 | 2021-09-01 16:34:27 |
 exhibit101073.jpg | 300830 | 2021-09-01 16:34:27 |
 exhibit101074.jpg | 328991 | 2021-09-01 16:34:27 |
 exhibit101075.jpg | 269055 | 2021-09-01 16:34:27 |
 exhibit101076.jpg | 302077 | 2021-09-01 16:34:27 |
 exhibit101077.jpg | 240921 | 2021-09-01 16:34:27 |
 exhibit101078.jpg | 296080 | 2021-09-01 16:34:27 |
 exhibit101079.jpg | 218865 | 2021-09-01 16:34:27 |
 exhibit101080.jpg | 237424 | 2021-09-01 16:34:27 |
 exhibit101081.jpg | 315844 | 2021-09-01 16:34:27 |
 exhibit101082.jpg | 325826 | 2021-09-01 16:34:27 |
 exhibit101083.jpg | 312963 | 2021-09-01 16:34:27 |
 exhibit101084.jpg | 295720 | 2021-09-01 16:34:27 |
 exhibit101085.jpg | 323508 | 2021-09-01 16:34:27 |
 exhibit101086.jpg | 303527 | 2021-09-01 16:34:27 |
 exhibit101087.jpg | 305412 | 2021-09-01 16:34:27 |
 exhibit101088.jpg | 283193 | 2021-09-01 16:34:27 |
 exhibit101089.jpg | 292797 | 2021-09-01 16:34:27 |
 exhibit101090.jpg | 288586 | 2021-09-01 16:34:27 |
 exhibit101091.jpg | 268674 | 2021-09-01 16:34:27 |
 exhibit101092.jpg | 305976 | 2021-09-01 16:34:27 |
 exhibit101093.jpg | 254964 | 2021-09-01 16:34:27 |
 exhibit101094.jpg | 243643 | 2021-09-01 16:34:27 |
 exhibit101095.jpg | 306334 | 2021-09-01 16:34:27 |
 exhibit101096.jpg | 238693 | 2021-09-01 16:34:27 |
 exhibit101097.jpg | 259487 | 2021-09-01 16:34:27 |
 exhibit101098.jpg | 281268 | 2021-09-01 16:34:27 |
 exhibit101099.jpg | 239390 | 2021-09-01 16:34:27 |
 exhibit101100.jpg | 248540 | 2021-09-01 16:34:27 |
 exhibit101101.jpg | 255945 | 2021-09-01 16:34:27 |
 exhibit101102.jpg | 253201 | 2021-09-01 16:34:27 |
 exhibit101103.jpg | 291851 | 2021-09-01 16:34:27 |
 exhibit101104.jpg | 251695 | 2021-09-01 16:34:27 |
 exhibit101105.jpg | 230751 | 2021-09-01 16:34:27 |
 exhibit101106.jpg | 250536 | 2021-09-01 16:34:27 |
 exhibit101107.jpg | 262698 | 2021-09-01 16:34:27 |
 exhibit101108.jpg | 262450 | 2021-09-01 16:34:27 |
 exhibit101109.jpg | 290195 | 2021-09-01 16:34:27 |
 exhibit101110.jpg | 304777 | 2021-09-01 16:34:27 |
 exhibit101111.jpg | 340681 | 2021-09-01 16:34:27 |
 exhibit101112.jpg | 299047 | 2021-09-01 16:34:27 |
 exhibit101113.jpg | 338637 | 2021-09-01 16:34:27 |
 exhibit101114.jpg | 327813 | 2021-09-01 16:34:27 |
 exhibit101115.jpg | 301550 | 2021-09-01 16:34:27 |
 exhibit101116.jpg | 267427 | 2021-09-01 16:34:27 |
 exhibit101117.jpg | 305266 | 2021-09-01 16:34:27 |
 exhibit101118.jpg | 309441 | 2021-09-01 16:34:27 |
 exhibit101119.jpg | 106343 | 2021-09-01 16:34:27 |
 exhibit101120.jpg | 217817 | 2021-09-01 16:34:27 |
 exhibit101121.jpg | 329019 | 2021-09-01 16:34:27 |
 exhibit101122.jpg | 316169 | 2021-09-01 16:34:27 |
 exhibit101123.jpg | 321850 | 2021-09-01 16:34:27 |
 exhibit101124.jpg | 253334 | 2021-09-01 16:34:27 |
 exhibit101125.jpg | 269461 | 2021-09-01 16:34:27 |
 exhibit101126.jpg | 331326 | 2021-09-01 16:34:27 |
 exhibit101127.jpg | 297923 | 2021-09-01 16:34:27 |
 exhibit101128.jpg | 276476 | 2021-09-01 16:34:27 |
 exhibit101129.jpg | 216549 | 2021-09-01 16:34:27 |
 exhibit101130.jpg | 349301 | 2021-09-01 16:34:27 |
 exhibit101131.jpg | 318397 | 2021-09-01 16:34:27 |
 exhibit101132.jpg | 338676 | 2021-09-01 16:34:27 |
 exhibit101133.jpg | 316367 | 2021-09-01 16:34:27 |
 exhibit101134.jpg | 256512 | 2021-09-01 16:34:27 |
 exhibit101135.jpg | 291927 | 2021-09-01 16:34:27 |
 exhibit101136.jpg | 265935 | 2021-09-01 16:34:27 |
 exhibit101137.jpg | 270428 | 2021-09-01 16:34:27 |
 exhibit101138.jpg | 78883 | 2021-09-01 16:34:27 |
 exhibit101139.jpg | 50005 | 2021-09-01 16:34:27 |
 exhibit101140.jpg | 46322 | 2021-09-01 16:34:27 |
 exhibit101141.jpg | 40676 | 2021-09-01 16:34:27 |
 exhibit101142.jpg | 40208 | 2021-09-01 16:34:27 |
 exhibit101143.jpg | 41171 | 2021-09-01 16:34:27 |
 exhibit101144.jpg | 40483 | 2021-09-01 16:34:27 |
 exhibit101145.jpg | 42093 | 2021-09-01 16:34:27 |
 exhibit101146.jpg | 37414 | 2021-09-01 16:34:27 |
 exhibit101147.jpg | 73514 | 2021-09-01 16:34:27 |
 exhibit101148.jpg | 52193 | 2021-09-01 16:34:27 |
 exhibit101149.jpg | 50648 | 2021-09-01 16:34:27 |
 exhibit101150.jpg | 28470 | 2021-09-01 16:34:27 |
 exhibit101151.jpg | 85675 | 2021-09-01 16:34:27 |
 exhibit101152.jpg | 26861 | 2021-09-01 16:34:27 |
 exhibit101153.jpg | 205928 | 2021-09-01 16:34:27 |
 exhibit101154.jpg | 195831 | 2021-09-01 16:34:27 |
 exhibit101155.jpg | 130457 | 2021-09-01 16:34:27 |
 exhibit101156.jpg | 201976 | 2021-09-01 16:34:27 |
 exhibit101157.jpg | 29035 | 2021-09-01 16:34:27 |
 exhibit101158.jpg | 109698 | 2021-09-01 16:34:27 |
 exhibit101159.jpg | 32894 | 2021-09-01 16:34:27 |
 exhibit101160.jpg | 27002 | 2021-09-01 16:34:27 |
 exhibit101161.jpg | 26306 | 2021-09-01 16:34:27 |
 exhibit101162.jpg | 62914 | 2021-09-01 16:34:27 |
 exhibit101163.jpg | 165131 | 2021-09-01 16:34:27 |
 exhibit101164.jpg | 45131 | 2021-09-01 16:34:27 |
 exhibit101165.jpg | 265885 | 2021-09-01 16:34:27 |
 exhibit101166.jpg | 125730 | 2021-09-01 16:34:27 |
 exhibit101167.jpg | 76823 | 2021-09-01 16:34:27 |
 exhibit101168.jpg | 84562 | 2021-09-01 16:34:27 |
 exhibit101169.jpg | 291633 | 2021-09-01 16:34:27 |
 exhibit101170.jpg | 77398 | 2021-09-01 16:34:27 |
 exhibit101171.jpg | 254106 | 2021-09-01 16:34:27 |
 exhibit101172.jpg | 296297 | 2021-09-01 16:34:27 |
 exhibit101173.jpg | 244571 | 2021-09-01 16:34:27 |
 exhibit101174.jpg | 292818 | 2021-09-01 16:34:27 |
 exhibit101175.jpg | 324247 | 2021-09-01 16:34:27 |
 exhibit101176.jpg | 314620 | 2021-09-01 16:34:27 |
 exhibit101177.jpg | 317161 | 2021-09-01 16:34:27 |
 exhibit101178.jpg | 278330 | 2021-09-01 16:34:27 |
 exhibit101179.jpg | 303358 | 2021-09-01 16:34:27 |
 exhibit101180.jpg | 320295 | 2021-09-01 16:34:27 |
 exhibit101181.jpg | 42780 | 2021-09-01 16:34:27 |
 exhibit101182.jpg | 51059 | 2021-09-01 16:34:27 |
 exhibit101183.jpg | 244590 | 2021-09-01 16:34:27 |
 exhibit101184.jpg | 81737 | 2021-09-01 16:34:27 |
 exhibit101185.jpg | 62379 | 2021-09-01 16:34:27 |
 exhibit101186.jpg | 171976 | 2021-09-01 16:34:27 |
 exhibit101187.jpg | 78746 | 2021-09-01 16:34:27 |
 exhibit101188.jpg | 41255 | 2021-09-01 16:34:27 |
 exhibit101189.jpg | 138252 | 2021-09-01 16:34:27 |
 exhibit101190.jpg | 56035 | 2021-09-01 16:34:27 |
 exhibit101191.jpg | 41383 | 2021-09-01 16:34:27 |
 exhibit101192.jpg | 139894 | 2021-09-01 16:34:27 |
 exhibit101193.jpg | 65001 | 2021-09-01 16:34:27 |
 exhibit101194.jpg | 41237 | 2021-09-01 16:34:27 |
 exhibit101195.jpg | 215767 | 2021-09-01 16:34:27 |
 exhibit101196.jpg | 40650 | 2021-09-01 16:34:27 |
 exhibit101197.jpg | 41891 | 2021-09-01 16:34:27 |
 exhibit101198.jpg | 227083 | 2021-09-01 16:34:27 |
 exhibit101199.jpg | 42580 | 2021-09-01 16:34:27 |
 exhibit101200.jpg | 40706 | 2021-09-01 16:34:27 |
 exhibit101201.jpg | 220574 | 2021-09-01 16:34:27 |
 exhibit101202.jpg | 41770 | 2021-09-01 16:34:27 |
 exhibit101203.jpg | 40309 | 2021-09-01 16:34:27 |
 exhibit101204.jpg | 218327 | 2021-09-01 16:34:27 |
 exhibit101205.jpg | 40472 | 2021-09-01 16:34:27 |
 exhibit101206.jpg | 49598 | 2021-09-01 16:34:27 |
 exhibit101207.jpg | 168128 | 2021-09-01 16:34:27 |
 exhibit101208.jpg | 171612 | 2021-09-01 16:34:27 |
 exhibit101209.jpg | 178189 | 2021-09-01 16:34:27 |
 exhibit101210.jpg | 41258 | 2021-09-01 16:34:27 |
 exhibit101211.jpg | 281064 | 2021-09-01 16:34:27 |
 exhibit101212.jpg | 61799 | 2021-09-01 16:34:27 |
 exhibit101213.jpg | 63222 | 2021-09-01 16:34:27 |
 exhibit101214.jpg | 31871 | 2021-09-01 16:34:27 |
 exhibit101215.jpg | 206794 | 2021-09-01 16:34:27 |
 exhibit101216.jpg | 39675 | 2021-09-01 16:34:27 |
 exhibit101217.jpg | 172599 | 2021-09-01 16:34:27 |
 exhibit101218.jpg | 166265 | 2021-09-01 16:34:27 |
 exhibit101219.jpg | 210159 | 2021-09-01 16:34:27 |
 exhibit101220.jpg | 223367 | 2021-09-01 16:34:27 |
| exhibit102.htm | 54091 | 2021-09-01 16:34:27 |
 exhibit102001.jpg | 272367 | 2021-09-01 16:34:27 |
 exhibit102002.jpg | 293440 | 2021-09-01 16:34:27 |
 exhibit102003.jpg | 249341 | 2021-09-01 16:34:27 |
 exhibit102004.jpg | 304151 | 2021-09-01 16:34:27 |
 exhibit102005.jpg | 330262 | 2021-09-01 16:34:27 |
 exhibit102006.jpg | 325787 | 2021-09-01 16:34:27 |
 exhibit102007.jpg | 306932 | 2021-09-01 16:34:27 |
 exhibit102008.jpg | 291851 | 2021-09-01 16:34:27 |
 exhibit102009.jpg | 313778 | 2021-09-01 16:34:27 |
 exhibit102010.jpg | 287390 | 2021-09-01 16:34:27 |
 exhibit102011.jpg | 83027 | 2021-09-01 16:34:27 |
 exhibit102012.jpg | 77314 | 2021-09-01 16:34:27 |
 exhibit102013.jpg | 55810 | 2021-09-01 16:34:27 |
 exhibit102014.jpg | 245741 | 2021-09-01 16:34:27 |
 exhibit102015.jpg | 81210 | 2021-09-01 16:34:27 |
 exhibit102016.jpg | 54241 | 2021-09-01 16:34:27 |
 exhibit102017.jpg | 32749 | 2021-09-01 16:34:27 |
| FilingSummary.xml | 1807 | 2021-09-01 16:34:27 |
| Financial_Report.xlsx | 5914 | 2021-09-01 16:34:27 |
| MetaLinks.json | 22558 | 2021-09-01 16:34:27 |
| R1.htm | 45599 | 2021-09-01 16:34:27 |
| report.css | 2768 | 2021-09-01 16:34:27 |
| Show.js | 1086 | 2021-09-01 16:34:27 |