Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-16-493362-index-headers.html | 2016-03-04 16:02:13 | |
| 0001193125-16-493362-index.html | 2016-03-04 16:02:13 | |
| 0001193125-16-493362.txt | 2016-03-04 16:02:13 | |
 0001193125-16-493362-xbrl.zip | 168571 | 2016-03-04 16:02:13 |
| bks-20160130.xml | 876710 | 2016-03-04 16:02:13 |
| bks-20160130.xsd | 66840 | 2016-03-04 16:02:13 |
| bks-20160130_cal.xml | 115006 | 2016-03-04 16:02:13 |
| bks-20160130_def.xml | 406210 | 2016-03-04 16:02:13 |
| bks-20160130_lab.xml | 537844 | 2016-03-04 16:02:13 |
| bks-20160130_pre.xml | 475539 | 2016-03-04 16:02:13 |
| d134734d10q.htm | 655635 | 2016-03-04 16:02:13 |
| d134734dex311.htm | 9419 | 2016-03-04 16:02:13 |
| d134734dex312.htm | 9428 | 2016-03-04 16:02:13 |
| d134734dex321.htm | 4266 | 2016-03-04 16:02:13 |
| d134734dex322.htm | 4275 | 2016-03-04 16:02:13 |
| FilingSummary.xml | 44535 | 2016-03-04 16:02:13 |
| Financial_Report.xlsx | 87007 | 2016-03-04 16:02:13 |
| R1.htm | 22062 | 2016-03-04 16:02:13 |
| R10.htm | 5564 | 2016-03-04 16:02:13 |
| R11.htm | 6386 | 2016-03-04 16:02:13 |
| R12.htm | 6698 | 2016-03-04 16:02:13 |
| R13.htm | 45395 | 2016-03-04 16:02:13 |
| R14.htm | 4696 | 2016-03-04 16:02:13 |
| R15.htm | 5422 | 2016-03-04 16:02:13 |
| R16.htm | 11148 | 2016-03-04 16:02:13 |
| R17.htm | 6145 | 2016-03-04 16:02:13 |
| R18.htm | 3877 | 2016-03-04 16:02:13 |
| R19.htm | 62832 | 2016-03-04 16:02:13 |
| R2.htm | 63686 | 2016-03-04 16:02:13 |
| R20.htm | 54946 | 2016-03-04 16:02:13 |
| R21.htm | 24780 | 2016-03-04 16:02:13 |
| R22.htm | 4737 | 2016-03-04 16:02:13 |
| R23.htm | 11092 | 2016-03-04 16:02:13 |
| R24.htm | 6763 | 2016-03-04 16:02:13 |
| R25.htm | 9774 | 2016-03-04 16:02:13 |
| R26.htm | 9585 | 2016-03-04 16:02:13 |
| R27.htm | 13564 | 2016-03-04 16:02:13 |
| R28.htm | 9751 | 2016-03-04 16:02:13 |
| R29.htm | 7293 | 2016-03-04 16:02:13 |
| R3.htm | 14034 | 2016-03-04 16:02:13 |
| R30.htm | 5583 | 2016-03-04 16:02:13 |
| R31.htm | 8714 | 2016-03-04 16:02:13 |
| R32.htm | 6787 | 2016-03-04 16:02:13 |
| R33.htm | 7681 | 2016-03-04 16:02:13 |
| R34.htm | 8435 | 2016-03-04 16:02:13 |
| R35.htm | 17435 | 2016-03-04 16:02:13 |
| R36.htm | 8554 | 2016-03-04 16:02:13 |
| R37.htm | 44329 | 2016-03-04 16:02:13 |
| R38.htm | 58763 | 2016-03-04 16:02:13 |
| R39.htm | 52615 | 2016-03-04 16:02:13 |
| R4.htm | 3470 | 2016-03-04 16:02:13 |
| R40.htm | 25317 | 2016-03-04 16:02:13 |
| R41.htm | 10012 | 2016-03-04 16:02:13 |
| R42.htm | 12807 | 2016-03-04 16:02:13 |
| R43.htm | 12561 | 2016-03-04 16:02:13 |
| R44.htm | 10241 | 2016-03-04 16:02:13 |
| R45.htm | 35669 | 2016-03-04 16:02:13 |
| R46.htm | 70624 | 2016-03-04 16:02:13 |
| R47.htm | 18264 | 2016-03-04 16:02:13 |
| R48.htm | 19392 | 2016-03-04 16:02:13 |
| R49.htm | 14383 | 2016-03-04 16:02:13 |
| R5.htm | 101217 | 2016-03-04 16:02:13 |
| R50.htm | 7897 | 2016-03-04 16:02:13 |
| R51.htm | 99292 | 2016-03-04 16:02:13 |
| R52.htm | 8061 | 2016-03-04 16:02:13 |
| R53.htm | 51029 | 2016-03-04 16:02:13 |
| R54.htm | 9205 | 2016-03-04 16:02:13 |
| R55.htm | 42011 | 2016-03-04 16:02:13 |
| R56.htm | 5071 | 2016-03-04 16:02:13 |
| R57.htm | 8161 | 2016-03-04 16:02:13 |
| R58.htm | 5491 | 2016-03-04 16:02:13 |
| R59.htm | 11028 | 2016-03-04 16:02:13 |
| R6.htm | 19200 | 2016-03-04 16:02:13 |
| R60.htm | 7907 | 2016-03-04 16:02:13 |
| R61.htm | 16603 | 2016-03-04 16:02:13 |
| R62.htm | 10357 | 2016-03-04 16:02:13 |
| R63.htm | 46049 | 2016-03-04 16:02:13 |
| R64.htm | 16166 | 2016-03-04 16:02:13 |
| R65.htm | 36793 | 2016-03-04 16:02:13 |
| R66.htm | 31534 | 2016-03-04 16:02:13 |
| R67.htm | 24338 | 2016-03-04 16:02:13 |
| R68.htm | 10219 | 2016-03-04 16:02:13 |
| R69.htm | 21076 | 2016-03-04 16:02:13 |
| R7.htm | 46186 | 2016-03-04 16:02:13 |
| R70.htm | 39251 | 2016-03-04 16:02:13 |
| R71.htm | 21246 | 2016-03-04 16:02:13 |
| R72.htm | 16262 | 2016-03-04 16:02:13 |
| R8.htm | 8749 | 2016-03-04 16:02:13 |
| R9.htm | 130523 | 2016-03-04 16:02:13 |
| report.css | 2767 | 2016-03-04 16:02:13 |
| Show.js | 1410 | 2016-03-04 16:02:13 |