Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-15-275964-index-headers.html | 2015-08-04 10:39:52 | |
| 0001193125-15-275964-index.html | 2015-08-04 10:39:52 | |
| 0001193125-15-275964.txt | 2015-08-04 10:39:52 | |
 0001193125-15-275964-xbrl.zip | 129005 | 2015-08-04 10:39:52 |
| d46594d10q.htm | 762835 | 2015-08-04 10:39:52 |
| d46594dex311.htm | 8232 | 2015-08-04 10:39:52 |
| d46594dex312.htm | 8407 | 2015-08-04 10:39:52 |
| d46594dex320.htm | 5684 | 2015-08-04 10:39:52 |
| FilingSummary.xml | 39433 | 2015-08-04 10:39:52 |
| Financial_Report.xlsx | 75546 | 2015-08-04 10:39:52 |
| fstr-20150630.xml | 1685285 | 2015-08-04 10:39:52 |
| fstr-20150630.xsd | 42895 | 2015-08-04 10:39:52 |
| fstr-20150630_cal.xml | 79066 | 2015-08-04 10:39:52 |
| fstr-20150630_def.xml | 143388 | 2015-08-04 10:39:52 |
| fstr-20150630_lab.xml | 339631 | 2015-08-04 10:39:52 |
| fstr-20150630_pre.xml | 325080 | 2015-08-04 10:39:52 |
| R1.htm | 27449 | 2015-08-04 10:39:52 |
| R10.htm | 127767 | 2015-08-04 10:39:52 |
| R11.htm | 138254 | 2015-08-04 10:39:52 |
| R12.htm | 7870 | 2015-08-04 10:39:52 |
| R13.htm | 27249 | 2015-08-04 10:39:52 |
| R14.htm | 38111 | 2015-08-04 10:39:52 |
| R15.htm | 7022 | 2015-08-04 10:39:52 |
| R16.htm | 34692 | 2015-08-04 10:39:52 |
| R17.htm | 65929 | 2015-08-04 10:39:52 |
| R18.htm | 38759 | 2015-08-04 10:39:52 |
| R19.htm | 104245 | 2015-08-04 10:39:52 |
| R2.htm | 89561 | 2015-08-04 10:39:52 |
| R20.htm | 39252 | 2015-08-04 10:39:52 |
| R21.htm | 8009 | 2015-08-04 10:39:52 |
| R22.htm | 5424 | 2015-08-04 10:39:52 |
| R23.htm | 16443 | 2015-08-04 10:39:52 |
| R24.htm | 7407 | 2015-08-04 10:39:52 |
| R25.htm | 6108 | 2015-08-04 10:39:52 |
| R26.htm | 130116 | 2015-08-04 10:39:52 |
| R27.htm | 114418 | 2015-08-04 10:39:52 |
| R28.htm | 136631 | 2015-08-04 10:39:52 |
| R29.htm | 24529 | 2015-08-04 10:39:52 |
| R3.htm | 15108 | 2015-08-04 10:39:52 |
| R30.htm | 35608 | 2015-08-04 10:39:52 |
| R31.htm | 26513 | 2015-08-04 10:39:52 |
| R32.htm | 63660 | 2015-08-04 10:39:52 |
| R33.htm | 28018 | 2015-08-04 10:39:52 |
| R34.htm | 102063 | 2015-08-04 10:39:52 |
| R35.htm | 27439 | 2015-08-04 10:39:52 |
| R36.htm | 4026 | 2015-08-04 10:39:52 |
| R37.htm | 14994 | 2015-08-04 10:39:52 |
| R38.htm | 23680 | 2015-08-04 10:39:52 |
| R39.htm | 15639 | 2015-08-04 10:39:52 |
| R4.htm | 61206 | 2015-08-04 10:39:52 |
| R40.htm | 49076 | 2015-08-04 10:39:52 |
| R41.htm | 13736 | 2015-08-04 10:39:52 |
| R42.htm | 48721 | 2015-08-04 10:39:52 |
| R43.htm | 50989 | 2015-08-04 10:39:52 |
| R44.htm | 19563 | 2015-08-04 10:39:52 |
| R45.htm | 17707 | 2015-08-04 10:39:52 |
| R46.htm | 35745 | 2015-08-04 10:39:52 |
| R47.htm | 18264 | 2015-08-04 10:39:52 |
| R48.htm | 4953 | 2015-08-04 10:39:52 |
| R49.htm | 15573 | 2015-08-04 10:39:52 |
| R5.htm | 21513 | 2015-08-04 10:39:52 |
| R50.htm | 39519 | 2015-08-04 10:39:52 |
| R51.htm | 10739 | 2015-08-04 10:39:52 |
| R52.htm | 15447 | 2015-08-04 10:39:52 |
| R53.htm | 5303 | 2015-08-04 10:39:52 |
| R54.htm | 15837 | 2015-08-04 10:39:52 |
| R55.htm | 50822 | 2015-08-04 10:39:52 |
| R56.htm | 34959 | 2015-08-04 10:39:52 |
| R57.htm | 55242 | 2015-08-04 10:39:52 |
| R58.htm | 32608 | 2015-08-04 10:39:52 |
| R59.htm | 28292 | 2015-08-04 10:39:52 |
| R6.htm | 4910 | 2015-08-04 10:39:52 |
| R60.htm | 23764 | 2015-08-04 10:39:52 |
| R61.htm | 12383 | 2015-08-04 10:39:52 |
| R62.htm | 17587 | 2015-08-04 10:39:52 |
| R63.htm | 11401 | 2015-08-04 10:39:52 |
| R64.htm | 12174 | 2015-08-04 10:39:52 |
| R65.htm | 8564 | 2015-08-04 10:39:52 |
| R7.htm | 104033 | 2015-08-04 10:39:52 |
| R8.htm | 15418 | 2015-08-04 10:39:52 |
| R9.htm | 134545 | 2015-08-04 10:39:52 |
| report.css | 2767 | 2015-08-04 10:39:52 |
| Show.js | 1410 | 2015-08-04 10:39:52 |