Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-13-336868-index-headers.html | 2013-08-15 18:44:30 | |
| 0001193125-13-336868-index.html | 2013-08-15 18:44:30 | |
| 0001193125-13-336868.txt | 2013-08-15 18:44:30 | |
 0001193125-13-336868-xbrl.zip | 1176273 | 2013-08-15 18:44:30 |
 BarChart1.jpg | 15767 | 2013-08-15 18:44:30 |
 BarChart10.jpg | 18404 | 2013-08-15 18:44:30 |
 BarChart11.jpg | 17514 | 2013-08-15 18:44:30 |
 BarChart12.jpg | 25921 | 2013-08-15 18:44:30 |
 BarChart13.jpg | 24094 | 2013-08-15 18:44:30 |
 BarChart14.jpg | 24049 | 2013-08-15 18:44:30 |
 BarChart15.jpg | 18238 | 2013-08-15 18:44:30 |
 BarChart16.jpg | 15971 | 2013-08-15 18:44:30 |
 BarChart17.jpg | 17585 | 2013-08-15 18:44:30 |
 BarChart18.jpg | 13933 | 2013-08-15 18:44:30 |
 BarChart19.jpg | 23705 | 2013-08-15 18:44:30 |
 BarChart2.jpg | 25370 | 2013-08-15 18:44:30 |
 BarChart20.jpg | 25122 | 2013-08-15 18:44:30 |
 BarChart21.jpg | 14355 | 2013-08-15 18:44:30 |
 BarChart22.jpg | 16677 | 2013-08-15 18:44:30 |
 BarChart23.jpg | 12268 | 2013-08-15 18:44:30 |
 BarChart24.jpg | 15654 | 2013-08-15 18:44:30 |
 BarChart25.jpg | 8781 | 2013-08-15 18:44:30 |
 BarChart26.jpg | 25218 | 2013-08-15 18:44:30 |
 BarChart27.jpg | 26739 | 2013-08-15 18:44:30 |
 BarChart28.jpg | 24427 | 2013-08-15 18:44:30 |
 BarChart29.jpg | 25211 | 2013-08-15 18:44:30 |
 BarChart3.jpg | 26209 | 2013-08-15 18:44:30 |
 BarChart30.jpg | 25786 | 2013-08-15 18:44:30 |
 BarChart31.jpg | 25248 | 2013-08-15 18:44:30 |
 BarChart32.jpg | 26150 | 2013-08-15 18:44:30 |
 BarChart33.jpg | 26488 | 2013-08-15 18:44:30 |
 BarChart34.jpg | 26302 | 2013-08-15 18:44:30 |
 BarChart35.jpg | 25235 | 2013-08-15 18:44:30 |
 BarChart36.jpg | 25550 | 2013-08-15 18:44:30 |
 BarChart37.jpg | 25195 | 2013-08-15 18:44:30 |
 BarChart38.jpg | 20441 | 2013-08-15 18:44:30 |
 BarChart39.jpg | 26553 | 2013-08-15 18:44:30 |
 BarChart4.jpg | 25479 | 2013-08-15 18:44:30 |
 BarChart40.jpg | 24067 | 2013-08-15 18:44:30 |
 BarChart41.jpg | 26434 | 2013-08-15 18:44:30 |
 BarChart42.jpg | 12291 | 2013-08-15 18:44:30 |
 BarChart43.jpg | 12313 | 2013-08-15 18:44:30 |
 BarChart44.jpg | 10893 | 2013-08-15 18:44:30 |
 BarChart45.jpg | 24787 | 2013-08-15 18:44:30 |
 BarChart46.jpg | 25310 | 2013-08-15 18:44:30 |
 BarChart47.jpg | 25623 | 2013-08-15 18:44:30 |
 BarChart48.jpg | 26143 | 2013-08-15 18:44:30 |
 BarChart49.jpg | 26366 | 2013-08-15 18:44:30 |
 BarChart5.jpg | 21006 | 2013-08-15 18:44:30 |
 BarChart50.jpg | 25509 | 2013-08-15 18:44:30 |
 BarChart51.jpg | 25220 | 2013-08-15 18:44:30 |
 BarChart52.jpg | 15990 | 2013-08-15 18:44:30 |
 BarChart53.jpg | 10693 | 2013-08-15 18:44:30 |
 BarChart54.jpg | 9743 | 2013-08-15 18:44:30 |
 BarChart55.jpg | 10430 | 2013-08-15 18:44:30 |
 BarChart56.jpg | 11054 | 2013-08-15 18:44:30 |
 BarChart57.jpg | 11508 | 2013-08-15 18:44:30 |
 BarChart6.jpg | 10989 | 2013-08-15 18:44:30 |
 BarChart7.jpg | 26307 | 2013-08-15 18:44:30 |
 BarChart8.jpg | 25378 | 2013-08-15 18:44:30 |
 BarChart9.jpg | 14698 | 2013-08-15 18:44:30 |
| d566279d485bpos.htm | 37097 | 2013-08-15 18:44:30 |
| FilingSummary.xml | 68793 | 2013-08-15 18:44:30 |
| Financial_Report.xls | 5264398 | 2013-08-15 18:44:30 |
| ist-20130726.xml | 2079951 | 2013-08-15 18:44:30 |
| ist-20130726.xsd | 323070 | 2013-08-15 18:44:30 |
| ist-20130726_cal.xml | 4426 | 2013-08-15 18:44:30 |
| ist-20130726_def.xml | 13255420 | 2013-08-15 18:44:30 |
| ist-20130726_lab.xml | 389535 | 2013-08-15 18:44:30 |
| ist-20130726_pre.xml | 9034063 | 2013-08-15 18:44:30 |
| R1.htm | 21428 | 2013-08-15 18:44:30 |
| R1.xml | 16872 | 2013-08-15 18:44:30 |
| R103.htm | 199164 | 2013-08-15 18:44:30 |
| R103.xml | 194190 | 2013-08-15 18:44:30 |
| R104.htm | 90252 | 2013-08-15 18:44:30 |
| R104.xml | 177100 | 2013-08-15 18:44:30 |
| R109.htm | 193263 | 2013-08-15 18:44:30 |
| R109.xml | 185571 | 2013-08-15 18:44:30 |
| R110.htm | 106556 | 2013-08-15 18:44:30 |
| R110.xml | 225729 | 2013-08-15 18:44:30 |
| R115.htm | 214826 | 2013-08-15 18:44:30 |
| R115.xml | 206416 | 2013-08-15 18:44:30 |
| R116.htm | 106842 | 2013-08-15 18:44:30 |
| R116.xml | 226143 | 2013-08-15 18:44:30 |
| R121.htm | 215142 | 2013-08-15 18:44:30 |
| R121.xml | 206788 | 2013-08-15 18:44:30 |
| R122.htm | 90547 | 2013-08-15 18:44:30 |
| R122.xml | 177748 | 2013-08-15 18:44:30 |
| R127.htm | 193570 | 2013-08-15 18:44:30 |
| R127.xml | 186084 | 2013-08-15 18:44:30 |
| R128.htm | 93910 | 2013-08-15 18:44:30 |
| R128.xml | 193912 | 2013-08-15 18:44:30 |
| R13.htm | 213515 | 2013-08-15 18:44:30 |
| R13.xml | 204559 | 2013-08-15 18:44:30 |
| R133.htm | 198066 | 2013-08-15 18:44:30 |
| R133.xml | 193046 | 2013-08-15 18:44:30 |
| R134.htm | 87729 | 2013-08-15 18:44:30 |
| R134.xml | 171537 | 2013-08-15 18:44:30 |
| R139.htm | 193055 | 2013-08-15 18:44:30 |
| R139.xml | 184935 | 2013-08-15 18:44:30 |
| R14.htm | 106302 | 2013-08-15 18:44:30 |
| R14.xml | 227505 | 2013-08-15 18:44:30 |
| R140.htm | 91782 | 2013-08-15 18:44:30 |
| R140.xml | 187603 | 2013-08-15 18:44:30 |
| R145.htm | 195651 | 2013-08-15 18:44:30 |
| R145.xml | 191508 | 2013-08-15 18:44:30 |
| R146.htm | 83239 | 2013-08-15 18:44:30 |
| R146.xml | 156011 | 2013-08-15 18:44:30 |
| R151.htm | 185290 | 2013-08-15 18:44:30 |
| R151.xml | 179861 | 2013-08-15 18:44:30 |
| R152.htm | 106642 | 2013-08-15 18:44:30 |
| R152.xml | 226221 | 2013-08-15 18:44:30 |
| R157.htm | 211964 | 2013-08-15 18:44:30 |
| R157.xml | 203989 | 2013-08-15 18:44:30 |
| R158.htm | 108858 | 2013-08-15 18:44:30 |
| R158.xml | 228247 | 2013-08-15 18:44:30 |
| R163.htm | 217160 | 2013-08-15 18:44:30 |
| R163.xml | 208737 | 2013-08-15 18:44:30 |
| R164.htm | 105028 | 2013-08-15 18:44:30 |
| R164.xml | 224223 | 2013-08-15 18:44:30 |
| R169.htm | 213325 | 2013-08-15 18:44:30 |
| R169.xml | 204621 | 2013-08-15 18:44:30 |
| R170.htm | 105761 | 2013-08-15 18:44:30 |
| R170.xml | 224583 | 2013-08-15 18:44:30 |
| R175.htm | 211072 | 2013-08-15 18:44:30 |
| R175.xml | 202952 | 2013-08-15 18:44:30 |
| R176.htm | 105510 | 2013-08-15 18:44:30 |
| R176.xml | 224720 | 2013-08-15 18:44:30 |
| R181.htm | 210842 | 2013-08-15 18:44:30 |
| R181.xml | 202950 | 2013-08-15 18:44:30 |
| R182.htm | 106409 | 2013-08-15 18:44:30 |
| R182.xml | 227868 | 2013-08-15 18:44:30 |
| R187.htm | 217295 | 2013-08-15 18:44:30 |
| R187.xml | 207864 | 2013-08-15 18:44:30 |
| R188.htm | 106239 | 2013-08-15 18:44:30 |
| R188.xml | 227883 | 2013-08-15 18:44:30 |
| R19.htm | 219894 | 2013-08-15 18:44:30 |
| R19.xml | 209554 | 2013-08-15 18:44:30 |
| R193.htm | 217137 | 2013-08-15 18:44:30 |
| R193.xml | 207500 | 2013-08-15 18:44:30 |
| R194.htm | 105542 | 2013-08-15 18:44:30 |
| R194.xml | 225279 | 2013-08-15 18:44:30 |
| R199.htm | 210850 | 2013-08-15 18:44:30 |
| R199.xml | 202963 | 2013-08-15 18:44:30 |
| R2.htm | 94468 | 2013-08-15 18:44:30 |
| R2.xml | 189147 | 2013-08-15 18:44:30 |
| R20.htm | 106653 | 2013-08-15 18:44:30 |
| R20.xml | 227988 | 2013-08-15 18:44:30 |
| R200.htm | 106186 | 2013-08-15 18:44:30 |
| R200.xml | 228153 | 2013-08-15 18:44:30 |
| R205.htm | 213863 | 2013-08-15 18:44:30 |
| R205.xml | 205222 | 2013-08-15 18:44:30 |
| R206.htm | 105248 | 2013-08-15 18:44:30 |
| R206.xml | 224036 | 2013-08-15 18:44:30 |
| R211.htm | 210566 | 2013-08-15 18:44:30 |
| R211.xml | 202478 | 2013-08-15 18:44:30 |
| R212.htm | 105993 | 2013-08-15 18:44:30 |
| R212.xml | 225240 | 2013-08-15 18:44:30 |
| R217.htm | 211323 | 2013-08-15 18:44:30 |
| R217.xml | 203477 | 2013-08-15 18:44:30 |
| R218.htm | 106607 | 2013-08-15 18:44:30 |
| R218.xml | 228047 | 2013-08-15 18:44:30 |
| R223.htm | 217512 | 2013-08-15 18:44:30 |
| R223.xml | 208079 | 2013-08-15 18:44:30 |
| R224.htm | 98330 | 2013-08-15 18:44:30 |
| R224.xml | 205007 | 2013-08-15 18:44:30 |
| R229.htm | 208426 | 2013-08-15 18:44:30 |
| R229.xml | 201116 | 2013-08-15 18:44:30 |
| R230.htm | 105855 | 2013-08-15 18:44:30 |
| R230.xml | 227187 | 2013-08-15 18:44:30 |
| R235.htm | 216756 | 2013-08-15 18:44:30 |
| R235.xml | 207176 | 2013-08-15 18:44:30 |
| R236.htm | 105910 | 2013-08-15 18:44:30 |
| R236.xml | 225265 | 2013-08-15 18:44:30 |
| R241.htm | 211249 | 2013-08-15 18:44:30 |
| R241.xml | 203403 | 2013-08-15 18:44:30 |
| R242.htm | 106904 | 2013-08-15 18:44:30 |
| R242.xml | 228539 | 2013-08-15 18:44:30 |
| R247.htm | 217805 | 2013-08-15 18:44:30 |
| R247.xml | 208418 | 2013-08-15 18:44:30 |
| R248.htm | 83819 | 2013-08-15 18:44:30 |
| R248.xml | 165170 | 2013-08-15 18:44:30 |
| R25.htm | 220247 | 2013-08-15 18:44:30 |
| R25.xml | 209983 | 2013-08-15 18:44:30 |
| R253.htm | 183522 | 2013-08-15 18:44:30 |
| R253.xml | 176775 | 2013-08-15 18:44:30 |
| R254.htm | 84611 | 2013-08-15 18:44:30 |
| R254.xml | 166340 | 2013-08-15 18:44:30 |
| R259.htm | 184341 | 2013-08-15 18:44:30 |
| R259.xml | 177780 | 2013-08-15 18:44:30 |
| R26.htm | 101974 | 2013-08-15 18:44:30 |
| R26.xml | 212126 | 2013-08-15 18:44:30 |
| R260.htm | 84152 | 2013-08-15 18:44:30 |
| R260.xml | 165807 | 2013-08-15 18:44:30 |
| R265.htm | 183874 | 2013-08-15 18:44:30 |
| R265.xml | 177315 | 2013-08-15 18:44:30 |
| R266.htm | 105720 | 2013-08-15 18:44:30 |
| R266.xml | 224468 | 2013-08-15 18:44:30 |
| R271.htm | 211046 | 2013-08-15 18:44:30 |
| R271.xml | 202962 | 2013-08-15 18:44:30 |
| R272.htm | 105045 | 2013-08-15 18:44:30 |
| R272.xml | 224149 | 2013-08-15 18:44:30 |
| R277.htm | 210355 | 2013-08-15 18:44:30 |
| R277.xml | 202428 | 2013-08-15 18:44:30 |
| R278.htm | 105210 | 2013-08-15 18:44:30 |
| R278.xml | 224623 | 2013-08-15 18:44:30 |
| R283.htm | 210510 | 2013-08-15 18:44:30 |
| R283.xml | 203066 | 2013-08-15 18:44:30 |
| R284.htm | 106151 | 2013-08-15 18:44:30 |
| R284.xml | 226101 | 2013-08-15 18:44:30 |
| R289.htm | 211497 | 2013-08-15 18:44:30 |
| R289.xml | 204355 | 2013-08-15 18:44:30 |
| R290.htm | 106475 | 2013-08-15 18:44:30 |
| R290.xml | 228307 | 2013-08-15 18:44:30 |
| R295.htm | 217388 | 2013-08-15 18:44:30 |
| R295.xml | 208187 | 2013-08-15 18:44:30 |
| R296.htm | 106255 | 2013-08-15 18:44:30 |
| R296.xml | 228178 | 2013-08-15 18:44:30 |
| R301.htm | 217146 | 2013-08-15 18:44:30 |
| R301.xml | 207937 | 2013-08-15 18:44:30 |
| R302.htm | 106246 | 2013-08-15 18:44:30 |
| R302.xml | 228196 | 2013-08-15 18:44:30 |
| R307.htm | 217163 | 2013-08-15 18:44:30 |
| R307.xml | 208002 | 2013-08-15 18:44:30 |
| R308.htm | 92660 | 2013-08-15 18:44:30 |
| R308.xml | 188080 | 2013-08-15 18:44:30 |
| R31.htm | 209479 | 2013-08-15 18:44:30 |
| R31.xml | 202475 | 2013-08-15 18:44:30 |
| R313.htm | 199463 | 2013-08-15 18:44:30 |
| R313.xml | 194654 | 2013-08-15 18:44:30 |
| R314.htm | 84814 | 2013-08-15 18:44:30 |
| R314.xml | 153884 | 2013-08-15 18:44:30 |
| R319.htm | 175951 | 2013-08-15 18:44:30 |
| R319.xml | 172353 | 2013-08-15 18:44:30 |
| R32.htm | 92605 | 2013-08-15 18:44:30 |
| R32.xml | 183066 | 2013-08-15 18:44:30 |
| R320.htm | 85168 | 2013-08-15 18:44:30 |
| R320.xml | 156693 | 2013-08-15 18:44:30 |
| R325.htm | 178906 | 2013-08-15 18:44:30 |
| R325.xml | 174532 | 2013-08-15 18:44:30 |
| R326.htm | 85600 | 2013-08-15 18:44:30 |
| R326.xml | 157218 | 2013-08-15 18:44:30 |
| R331.htm | 179338 | 2013-08-15 18:44:30 |
| R331.xml | 175093 | 2013-08-15 18:44:30 |
| R332.htm | 85637 | 2013-08-15 18:44:30 |
| R332.xml | 159789 | 2013-08-15 18:44:30 |
| R337.htm | 181978 | 2013-08-15 18:44:30 |
| R337.xml | 177101 | 2013-08-15 18:44:30 |
| R338.htm | 85553 | 2013-08-15 18:44:30 |
| R338.xml | 159704 | 2013-08-15 18:44:30 |
| R343.htm | 181887 | 2013-08-15 18:44:30 |
| R343.xml | 177004 | 2013-08-15 18:44:30 |
| R344.htm | 63149 | 2013-08-15 18:44:30 |
| R344.xml | 88885 | 2013-08-15 18:44:30 |
| R347.htm | 104888 | 2013-08-15 18:44:30 |
| R347.xml | 95931 | 2013-08-15 18:44:30 |
| R348.htm | 62739 | 2013-08-15 18:44:30 |
| R348.xml | 88488 | 2013-08-15 18:44:30 |
| R351.htm | 101967 | 2013-08-15 18:44:30 |
| R351.xml | 92924 | 2013-08-15 18:44:30 |
| R352.htm | 9642 | 2013-08-15 18:44:30 |
| R352.xml | 8308 | 2013-08-15 18:44:30 |
| R37.htm | 209652 | 2013-08-15 18:44:30 |
| R37.xml | 199192 | 2013-08-15 18:44:30 |
| R38.htm | 107420 | 2013-08-15 18:44:30 |
| R38.xml | 226225 | 2013-08-15 18:44:30 |
| R43.htm | 212740 | 2013-08-15 18:44:30 |
| R43.xml | 204818 | 2013-08-15 18:44:30 |
| R44.htm | 107066 | 2013-08-15 18:44:30 |
| R44.xml | 225949 | 2013-08-15 18:44:30 |
| R49.htm | 212387 | 2013-08-15 18:44:30 |
| R49.xml | 204417 | 2013-08-15 18:44:30 |
| R50.htm | 91125 | 2013-08-15 18:44:30 |
| R50.xml | 177973 | 2013-08-15 18:44:30 |
| R55.htm | 194139 | 2013-08-15 18:44:30 |
| R55.xml | 186489 | 2013-08-15 18:44:30 |
| R56.htm | 95195 | 2013-08-15 18:44:30 |
| R56.xml | 195927 | 2013-08-15 18:44:30 |
| R61.htm | 199373 | 2013-08-15 18:44:30 |
| R61.xml | 194655 | 2013-08-15 18:44:30 |
| R62.htm | 94798 | 2013-08-15 18:44:30 |
| R62.xml | 195145 | 2013-08-15 18:44:30 |
| R67.htm | 201937 | 2013-08-15 18:44:30 |
| R67.xml | 196309 | 2013-08-15 18:44:30 |
| R68.htm | 107081 | 2013-08-15 18:44:30 |
| R68.xml | 226286 | 2013-08-15 18:44:30 |
| R7.htm | 201285 | 2013-08-15 18:44:30 |
| R7.xml | 195949 | 2013-08-15 18:44:30 |
| R73.htm | 215377 | 2013-08-15 18:44:30 |
| R73.xml | 206945 | 2013-08-15 18:44:30 |
| R74.htm | 106827 | 2013-08-15 18:44:30 |
| R74.xml | 226220 | 2013-08-15 18:44:30 |
| R79.htm | 212158 | 2013-08-15 18:44:30 |
| R79.xml | 204528 | 2013-08-15 18:44:30 |
| R8.htm | 105512 | 2013-08-15 18:44:30 |
| R8.xml | 224165 | 2013-08-15 18:44:30 |
| R80.htm | 107434 | 2013-08-15 18:44:30 |
| R80.xml | 226870 | 2013-08-15 18:44:30 |
| R85.htm | 215735 | 2013-08-15 18:44:30 |
| R85.xml | 207418 | 2013-08-15 18:44:30 |
| R86.htm | 94981 | 2013-08-15 18:44:30 |
| R86.xml | 195125 | 2013-08-15 18:44:30 |
| R91.htm | 199147 | 2013-08-15 18:44:30 |
| R91.xml | 194199 | 2013-08-15 18:44:30 |
| R92.htm | 92820 | 2013-08-15 18:44:30 |
| R92.xml | 188181 | 2013-08-15 18:44:30 |
| R97.htm | 196678 | 2013-08-15 18:44:30 |
| R97.xml | 192383 | 2013-08-15 18:44:30 |
| R98.htm | 94996 | 2013-08-15 18:44:30 |
| R98.xml | 195046 | 2013-08-15 18:44:30 |
| report.css | 2741 | 2013-08-15 18:44:30 |
| Show.js | 1410 | 2013-08-15 18:44:30 |