Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000757011-17-000064-index-headers.html | 2017-10-26 11:18:18 | |
| 0000757011-17-000064-index.html | 2017-10-26 11:18:18 | |
| 0000757011-17-000064.txt | 2017-10-26 11:18:18 | |
 0000757011-17-000064-xbrl.zip | 221431 | 2017-10-26 11:18:18 |
| FilingSummary.xml | 42217 | 2017-10-26 11:18:18 |
| Financial_Report.xlsx | 79799 | 2017-10-26 11:18:18 |
| R1.htm | 19843 | 2017-10-26 11:18:18 |
| R10.htm | 61801 | 2017-10-26 11:18:18 |
| R11.htm | 44023 | 2017-10-26 11:18:18 |
| R12.htm | 48436 | 2017-10-26 11:18:18 |
| R13.htm | 33956 | 2017-10-26 11:18:18 |
| R14.htm | 132275 | 2017-10-26 11:18:18 |
| R15.htm | 79491 | 2017-10-26 11:18:18 |
| R16.htm | 54815 | 2017-10-26 11:18:18 |
| R17.htm | 45839 | 2017-10-26 11:18:18 |
| R18.htm | 45380 | 2017-10-26 11:18:18 |
| R19.htm | 113092 | 2017-10-26 11:18:18 |
| R2.htm | 78405 | 2017-10-26 11:18:18 |
| R20.htm | 21824 | 2017-10-26 11:18:18 |
| R21.htm | 6415 | 2017-10-26 11:18:18 |
| R22.htm | 8916 | 2017-10-26 11:18:18 |
| R23.htm | 5998 | 2017-10-26 11:18:18 |
| R24.htm | 30754 | 2017-10-26 11:18:18 |
| R25.htm | 23531 | 2017-10-26 11:18:18 |
| R26.htm | 57318 | 2017-10-26 11:18:18 |
| R27.htm | 44759 | 2017-10-26 11:18:18 |
| R28.htm | 50639 | 2017-10-26 11:18:18 |
| R29.htm | 28371 | 2017-10-26 11:18:18 |
| R3.htm | 36093 | 2017-10-26 11:18:18 |
| R30.htm | 131985 | 2017-10-26 11:18:18 |
| R31.htm | 70786 | 2017-10-26 11:18:18 |
| R32.htm | 50971 | 2017-10-26 11:18:18 |
| R33.htm | 48084 | 2017-10-26 11:18:18 |
| R34.htm | 47473 | 2017-10-26 11:18:18 |
| R35.htm | 115350 | 2017-10-26 11:18:18 |
| R36.htm | 16548 | 2017-10-26 11:18:18 |
| R37.htm | 22109 | 2017-10-26 11:18:18 |
| R38.htm | 19197 | 2017-10-26 11:18:18 |
| R39.htm | 18919 | 2017-10-26 11:18:18 |
| R4.htm | 19865 | 2017-10-26 11:18:18 |
| R40.htm | 15679 | 2017-10-26 11:18:18 |
| R41.htm | 8407 | 2017-10-26 11:18:18 |
| R42.htm | 30154 | 2017-10-26 11:18:18 |
| R43.htm | 24207 | 2017-10-26 11:18:18 |
| R44.htm | 19495 | 2017-10-26 11:18:18 |
| R45.htm | 5212 | 2017-10-26 11:18:18 |
| R46.htm | 18717 | 2017-10-26 11:18:18 |
| R47.htm | 17913 | 2017-10-26 11:18:18 |
| R48.htm | 22357 | 2017-10-26 11:18:18 |
| R49.htm | 59154 | 2017-10-26 11:18:18 |
| R5.htm | 74653 | 2017-10-26 11:18:18 |
| R50.htm | 24954 | 2017-10-26 11:18:18 |
| R51.htm | 31898 | 2017-10-26 11:18:18 |
| R52.htm | 23689 | 2017-10-26 11:18:18 |
| R53.htm | 48686 | 2017-10-26 11:18:18 |
| R54.htm | 5043 | 2017-10-26 11:18:18 |
| R55.htm | 31910 | 2017-10-26 11:18:18 |
| R56.htm | 29798 | 2017-10-26 11:18:18 |
| R57.htm | 26689 | 2017-10-26 11:18:18 |
| R58.htm | 9996 | 2017-10-26 11:18:18 |
| R59.htm | 14052 | 2017-10-26 11:18:18 |
| R6.htm | 21747 | 2017-10-26 11:18:18 |
| R60.htm | 12000 | 2017-10-26 11:18:18 |
| R61.htm | 21794 | 2017-10-26 11:18:18 |
| R62.htm | 19005 | 2017-10-26 11:18:18 |
| R63.htm | 8157 | 2017-10-26 11:18:18 |
| R64.htm | 22989 | 2017-10-26 11:18:18 |
| R65.htm | 27003 | 2017-10-26 11:18:18 |
| R66.htm | 26802 | 2017-10-26 11:18:18 |
| R67.htm | 4305 | 2017-10-26 11:18:18 |
| R68.htm | 7631 | 2017-10-26 11:18:18 |
| R69.htm | 20867 | 2017-10-26 11:18:18 |
| R7.htm | 112315 | 2017-10-26 11:18:18 |
| R70.htm | 8380 | 2017-10-26 11:18:18 |
| R71.htm | 7744 | 2017-10-26 11:18:18 |
| R72.htm | 10347 | 2017-10-26 11:18:18 |
| R8.htm | 41171 | 2017-10-26 11:18:18 |
| R9.htm | 22456 | 2017-10-26 11:18:18 |
| report.css | 2767 | 2017-10-26 11:18:18 |
| Show.js | 1410 | 2017-10-26 11:18:18 |
| usg-20170930.xml | 1993639 | 2017-10-26 11:18:18 |
| usg-20170930.xsd | 52720 | 2017-10-26 11:18:18 |
| usg-20170930_cal.xml | 98805 | 2017-10-26 11:18:18 |
| usg-20170930_def.xml | 234591 | 2017-10-26 11:18:18 |
| usg-20170930_lab.xml | 701617 | 2017-10-26 11:18:18 |
| usg-20170930_pre.xml | 421824 | 2017-10-26 11:18:18 |
 usg10-q0630_chartx33122a01.jpg | 21607 | 2017-10-26 11:18:18 |
 usg10-q0630_chartx34666a01.jpg | 17676 | 2017-10-26 11:18:18 |
 usg10-q0630_chartx35846a01.jpg | 20839 | 2017-10-26 11:18:18 |
| usg10-q09302017.htm | 1531008 | 2017-10-26 11:18:18 |
| usg_ex101x0930201710-q.htm | 12793 | 2017-10-26 11:18:18 |
| usg_ex311x0930201710-q.htm | 11920 | 2017-10-26 11:18:18 |
| usg_ex312x0930201710-q.htm | 11879 | 2017-10-26 11:18:18 |
| usg_ex321x0930201710-q.htm | 5006 | 2017-10-26 11:18:18 |
| usg_ex322x0930201710-q.htm | 5023 | 2017-10-26 11:18:18 |
| usg_ex95x0930201710-q.htm | 18484 | 2017-10-26 11:18:18 |