Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-15-172212-index-headers.html | 2015-05-05 16:33:42 | |
| 0001193125-15-172212-index.html | 2015-05-05 16:33:42 | |
| 0001193125-15-172212.txt | 2015-05-05 16:33:42 | |
 0001193125-15-172212-xbrl.zip | 183872 | 2015-05-05 16:33:42 |
| d908033d10q.htm | 989602 | 2015-05-05 16:33:42 |
| d908033dex311.htm | 8610 | 2015-05-05 16:33:42 |
| d908033dex312.htm | 8620 | 2015-05-05 16:33:42 |
| d908033dex321.htm | 3541 | 2015-05-05 16:33:42 |
| d908033dex322.htm | 3594 | 2015-05-05 16:33:42 |
| FilingSummary.xml | 42185 | 2015-05-05 16:33:42 |
| Financial_Report.xls | 1557543 | 2015-05-05 16:33:42 |
| Financial_Report.xlsx | 233898 | 2015-05-05 16:33:42 |
 g908033g29e31.jpg | 2364 | 2015-05-05 16:33:42 |
| glt-20150331.xml | 1991763 | 2015-05-05 16:33:42 |
| glt-20150331.xsd | 67024 | 2015-05-05 16:33:42 |
| glt-20150331_cal.xml | 91033 | 2015-05-05 16:33:42 |
| glt-20150331_def.xml | 255053 | 2015-05-05 16:33:42 |
| glt-20150331_lab.xml | 470625 | 2015-05-05 16:33:42 |
| glt-20150331_pre.xml | 392837 | 2015-05-05 16:33:42 |
| R1.htm | 29567 | 2015-05-05 16:33:42 |
| R10.htm | 15034 | 2015-05-05 16:33:42 |
| R11.htm | 21564 | 2015-05-05 16:33:42 |
| R12.htm | 67565 | 2015-05-05 16:33:42 |
| R13.htm | 25111 | 2015-05-05 16:33:42 |
| R14.htm | 45224 | 2015-05-05 16:33:42 |
| R15.htm | 22247 | 2015-05-05 16:33:42 |
| R16.htm | 13509 | 2015-05-05 16:33:42 |
| R17.htm | 25832 | 2015-05-05 16:33:42 |
| R18.htm | 20152 | 2015-05-05 16:33:42 |
| R19.htm | 23149 | 2015-05-05 16:33:42 |
| R2.htm | 79443 | 2015-05-05 16:33:42 |
| R20.htm | 62688 | 2015-05-05 16:33:42 |
| R21.htm | 40902 | 2015-05-05 16:33:42 |
| R22.htm | 82488 | 2015-05-05 16:33:42 |
| R23.htm | 279894 | 2015-05-05 16:33:42 |
| R24.htm | 13840 | 2015-05-05 16:33:42 |
| R25.htm | 15259 | 2015-05-05 16:33:42 |
| R26.htm | 22238 | 2015-05-05 16:33:42 |
| R27.htm | 66845 | 2015-05-05 16:33:42 |
| R28.htm | 24804 | 2015-05-05 16:33:42 |
| R29.htm | 47105 | 2015-05-05 16:33:42 |
| R3.htm | 28404 | 2015-05-05 16:33:42 |
| R30.htm | 22121 | 2015-05-05 16:33:42 |
| R31.htm | 12430 | 2015-05-05 16:33:42 |
| R32.htm | 19777 | 2015-05-05 16:33:42 |
| R33.htm | 21254 | 2015-05-05 16:33:42 |
| R34.htm | 20438 | 2015-05-05 16:33:42 |
| R35.htm | 56978 | 2015-05-05 16:33:42 |
| R36.htm | 78924 | 2015-05-05 16:33:42 |
| R37.htm | 280007 | 2015-05-05 16:33:42 |
| R38.htm | 16500 | 2015-05-05 16:33:42 |
| R39.htm | 19867 | 2015-05-05 16:33:42 |
| R4.htm | 10694 | 2015-05-05 16:33:42 |
| R40.htm | 30204 | 2015-05-05 16:33:42 |
| R41.htm | 7507 | 2015-05-05 16:33:42 |
| R42.htm | 49446 | 2015-05-05 16:33:42 |
| R43.htm | 65629 | 2015-05-05 16:33:42 |
| R44.htm | 15695 | 2015-05-05 16:33:42 |
| R45.htm | 25805 | 2015-05-05 16:33:42 |
| R46.htm | 12421 | 2015-05-05 16:33:42 |
| R47.htm | 24768 | 2015-05-05 16:33:42 |
| R48.htm | 21326 | 2015-05-05 16:33:42 |
| R49.htm | 13171 | 2015-05-05 16:33:42 |
| R5.htm | 119520 | 2015-05-05 16:33:42 |
| R50.htm | 60370 | 2015-05-05 16:33:42 |
| R51.htm | 37999 | 2015-05-05 16:33:42 |
| R52.htm | 16720 | 2015-05-05 16:33:42 |
| R53.htm | 35723 | 2015-05-05 16:33:42 |
| R54.htm | 24874 | 2015-05-05 16:33:42 |
| R55.htm | 73031 | 2015-05-05 16:33:42 |
| R56.htm | 5958 | 2015-05-05 16:33:42 |
| R57.htm | 16729 | 2015-05-05 16:33:42 |
| R58.htm | 11657 | 2015-05-05 16:33:42 |
| R59.htm | 27536 | 2015-05-05 16:33:42 |
| R6.htm | 112363 | 2015-05-05 16:33:42 |
| R60.htm | 12265 | 2015-05-05 16:33:42 |
| R61.htm | 11383 | 2015-05-05 16:33:42 |
| R62.htm | 18521 | 2015-05-05 16:33:42 |
| R63.htm | 29715 | 2015-05-05 16:33:42 |
| R64.htm | 20498 | 2015-05-05 16:33:42 |
| R65.htm | 18960 | 2015-05-05 16:33:42 |
| R66.htm | 18042 | 2015-05-05 16:33:42 |
| R67.htm | 84971 | 2015-05-05 16:33:42 |
| R68.htm | 98894 | 2015-05-05 16:33:42 |
| R69.htm | 20559 | 2015-05-05 16:33:42 |
| R7.htm | 8188 | 2015-05-05 16:33:42 |
| R70.htm | 135796 | 2015-05-05 16:33:42 |
| R71.htm | 116536 | 2015-05-05 16:33:42 |
| R72.htm | 118574 | 2015-05-05 16:33:42 |
| R8.htm | 9994 | 2015-05-05 16:33:42 |
| R9.htm | 11234 | 2015-05-05 16:33:42 |
| report.css | 2740 | 2015-05-05 16:33:42 |
| Show.js | 1410 | 2015-05-05 16:33:42 |