Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000020520-17-000003-index-headers.html | 2017-02-28 17:41:53 | |
| 0000020520-17-000003-index.html | 2017-02-28 17:41:53 | |
| 0000020520-17-000003.txt | 2017-02-28 17:41:53 | |
 0000020520-17-000003-xbrl.zip | 340143 | 2017-02-28 17:41:53 |
| FilingSummary.xml | 66084 | 2017-02-28 17:41:53 |
| Financial_Report.xlsx | 144797 | 2017-02-28 17:41:53 |
| ftr-20161231.xml | 6756524 | 2017-02-28 17:41:53 |
| ftr-20161231.xsd | 99518 | 2017-02-28 17:41:53 |
| ftr-20161231x10k.htm | 6288892 | 2017-02-28 17:41:53 |
 ftr-20161231x10kg001.jpg | 10350 | 2017-02-28 17:41:53 |
 ftr-20161231x10kg002.jpg | 102680 | 2017-02-28 17:41:53 |
 ftr-20161231x10kg003.jpg | 26117 | 2017-02-28 17:41:53 |
 ftr-20161231x10kg004.jpg | 30623 | 2017-02-28 17:41:53 |
| ftr-20161231xex10_29.htm | 29825 | 2017-02-28 17:41:53 |
| ftr-20161231xex12.htm | 225646 | 2017-02-28 17:41:53 |
| ftr-20161231xex21.htm | 112134 | 2017-02-28 17:41:53 |
| ftr-20161231xex23.htm | 5467 | 2017-02-28 17:41:53 |
| ftr-20161231xex31_1.htm | 22520 | 2017-02-28 17:41:53 |
| ftr-20161231xex31_2.htm | 25120 | 2017-02-28 17:41:53 |
| ftr-20161231xex32.htm | 17554 | 2017-02-28 17:41:53 |
| ftr-20161231_cal.xml | 132643 | 2017-02-28 17:41:53 |
| ftr-20161231_def.xml | 364281 | 2017-02-28 17:41:53 |
| ftr-20161231_lab.xml | 829744 | 2017-02-28 17:41:53 |
| ftr-20161231_pre.xml | 694190 | 2017-02-28 17:41:53 |
| R1.htm | 28242 | 2017-02-28 17:41:53 |
| R10.htm | 240240 | 2017-02-28 17:41:53 |
| R100.htm | 19417 | 2017-02-28 17:41:53 |
| R101.htm | 16853 | 2017-02-28 17:41:53 |
| R102.htm | 12875 | 2017-02-28 17:41:53 |
| R11.htm | 76097 | 2017-02-28 17:41:53 |
| R12.htm | 84444 | 2017-02-28 17:41:53 |
| R13.htm | 113322 | 2017-02-28 17:41:53 |
| R14.htm | 417638 | 2017-02-28 17:41:53 |
| R15.htm | 26662 | 2017-02-28 17:41:53 |
| R16.htm | 52650 | 2017-02-28 17:41:53 |
| R17.htm | 17720 | 2017-02-28 17:41:53 |
| R18.htm | 115561 | 2017-02-28 17:41:53 |
| R19.htm | 240452 | 2017-02-28 17:41:53 |
| R2.htm | 83779 | 2017-02-28 17:41:53 |
| R20.htm | 104947 | 2017-02-28 17:41:53 |
| R21.htm | 159564 | 2017-02-28 17:41:53 |
| R22.htm | 10384 | 2017-02-28 17:41:53 |
| R23.htm | 145993 | 2017-02-28 17:41:53 |
| R24.htm | 526006 | 2017-02-28 17:41:53 |
| R25.htm | 440190 | 2017-02-28 17:41:53 |
| R26.htm | 111160 | 2017-02-28 17:41:53 |
| R27.htm | 120778 | 2017-02-28 17:41:53 |
| R28.htm | 58191 | 2017-02-28 17:41:53 |
| R29.htm | 225164 | 2017-02-28 17:41:53 |
| R3.htm | 23152 | 2017-02-28 17:41:53 |
| R30.htm | 72111 | 2017-02-28 17:41:53 |
| R31.htm | 81389 | 2017-02-28 17:41:53 |
| R32.htm | 108444 | 2017-02-28 17:41:53 |
| R33.htm | 390500 | 2017-02-28 17:41:53 |
| R34.htm | 21923 | 2017-02-28 17:41:53 |
| R35.htm | 48242 | 2017-02-28 17:41:53 |
| R36.htm | 91989 | 2017-02-28 17:41:53 |
| R37.htm | 227289 | 2017-02-28 17:41:53 |
| R38.htm | 97449 | 2017-02-28 17:41:53 |
| R39.htm | 155403 | 2017-02-28 17:41:53 |
| R4.htm | 46329 | 2017-02-28 17:41:53 |
| R40.htm | 130380 | 2017-02-28 17:41:53 |
| R41.htm | 511056 | 2017-02-28 17:41:53 |
| R42.htm | 436252 | 2017-02-28 17:41:53 |
| R43.htm | 100503 | 2017-02-28 17:41:53 |
| R44.htm | 15064 | 2017-02-28 17:41:53 |
| R45.htm | 25017 | 2017-02-28 17:41:53 |
| R46.htm | 54459 | 2017-02-28 17:41:53 |
| R47.htm | 30424 | 2017-02-28 17:41:53 |
| R48.htm | 15308 | 2017-02-28 17:41:53 |
| R49.htm | 18576 | 2017-02-28 17:41:53 |
| R5.htm | 10352 | 2017-02-28 17:41:53 |
| R50.htm | 4916 | 2017-02-28 17:41:53 |
| R51.htm | 11264 | 2017-02-28 17:41:53 |
| R52.htm | 15064 | 2017-02-28 17:41:53 |
| R53.htm | 4374 | 2017-02-28 17:41:53 |
| R54.htm | 42454 | 2017-02-28 17:41:53 |
| R55.htm | 4881 | 2017-02-28 17:41:53 |
| R56.htm | 29502 | 2017-02-28 17:41:53 |
| R57.htm | 16262 | 2017-02-28 17:41:53 |
| R58.htm | 16294 | 2017-02-28 17:41:53 |
| R59.htm | 5450 | 2017-02-28 17:41:53 |
| R6.htm | 48319 | 2017-02-28 17:41:53 |
| R60.htm | 197160 | 2017-02-28 17:41:53 |
| R61.htm | 43801 | 2017-02-28 17:41:53 |
| R62.htm | 107609 | 2017-02-28 17:41:53 |
| R63.htm | 17307 | 2017-02-28 17:41:53 |
| R64.htm | 41081 | 2017-02-28 17:41:53 |
| R65.htm | 14611 | 2017-02-28 17:41:53 |
| R66.htm | 10584 | 2017-02-28 17:41:53 |
| R67.htm | 17330 | 2017-02-28 17:41:53 |
| R68.htm | 48980 | 2017-02-28 17:41:53 |
| R69.htm | 57746 | 2017-02-28 17:41:53 |
| R7.htm | 103693 | 2017-02-28 17:41:53 |
| R70.htm | 14572 | 2017-02-28 17:41:53 |
| R71.htm | 31072 | 2017-02-28 17:41:53 |
| R72.htm | 39480 | 2017-02-28 17:41:53 |
| R73.htm | 24611 | 2017-02-28 17:41:53 |
| R74.htm | 43599 | 2017-02-28 17:41:53 |
| R75.htm | 35268 | 2017-02-28 17:41:53 |
| R76.htm | 12954 | 2017-02-28 17:41:53 |
| R77.htm | 12864 | 2017-02-28 17:41:53 |
| R78.htm | 32778 | 2017-02-28 17:41:53 |
| R79.htm | 6840 | 2017-02-28 17:41:53 |
| R8.htm | 94711 | 2017-02-28 17:41:53 |
| R80.htm | 29497 | 2017-02-28 17:41:53 |
| R81.htm | 25128 | 2017-02-28 17:41:53 |
| R82.htm | 6306 | 2017-02-28 17:41:53 |
| R83.htm | 18174 | 2017-02-28 17:41:53 |
| R84.htm | 14113 | 2017-02-28 17:41:53 |
| R85.htm | 73399 | 2017-02-28 17:41:53 |
| R86.htm | 72362 | 2017-02-28 17:41:53 |
| R87.htm | 28203 | 2017-02-28 17:41:53 |
| R88.htm | 13296 | 2017-02-28 17:41:53 |
| R89.htm | 17795 | 2017-02-28 17:41:53 |
| R9.htm | 25203 | 2017-02-28 17:41:53 |
| R90.htm | 21841 | 2017-02-28 17:41:53 |
| R91.htm | 24272 | 2017-02-28 17:41:53 |
| R92.htm | 14956 | 2017-02-28 17:41:53 |
| R93.htm | 25346 | 2017-02-28 17:41:53 |
| R94.htm | 50462 | 2017-02-28 17:41:53 |
| R95.htm | 15290 | 2017-02-28 17:41:53 |
| R96.htm | 53824 | 2017-02-28 17:41:53 |
| R97.htm | 34413 | 2017-02-28 17:41:53 |
| R98.htm | 7768 | 2017-02-28 17:41:53 |
| R99.htm | 21113 | 2017-02-28 17:41:53 |
| report.css | 2768 | 2017-02-28 17:41:53 |
| Show.js | 1411 | 2017-02-28 17:41:53 |