Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000006885-18-000135-index-headers.html | 2018-04-10 16:41:45 | |
| 0000006885-18-000135-index.html | 2018-04-10 16:41:45 | |
| 0000006885-18-000135.txt | 2018-04-10 16:41:45 | |
 0000006885-18-000135-xbrl.zip | 263632 | 2018-04-10 16:41:45 |
| a201710-k_ex1033.htm | 31529 | 2018-04-10 16:41:45 |
| a201710-k_ex1034.htm | 31019 | 2018-04-10 16:41:45 |
| FilingSummary.xml | 43894 | 2018-04-10 16:41:45 |
| Financial_Report.xlsx | 99300 | 2018-04-10 16:41:45 |
 performancegraph2017.jpg | 47413 | 2018-04-10 16:41:45 |
| R1.htm | 28218 | 2018-04-10 16:41:45 |
| R10.htm | 62333 | 2018-04-10 16:41:45 |
| R11.htm | 57766 | 2018-04-10 16:41:45 |
| R12.htm | 32597 | 2018-04-10 16:41:45 |
| R13.htm | 16823 | 2018-04-10 16:41:45 |
| R14.htm | 37688 | 2018-04-10 16:41:45 |
| R15.htm | 15457 | 2018-04-10 16:41:45 |
| R16.htm | 6098 | 2018-04-10 16:41:45 |
| R17.htm | 9597 | 2018-04-10 16:41:45 |
| R18.htm | 8041 | 2018-04-10 16:41:45 |
| R19.htm | 45056 | 2018-04-10 16:41:45 |
| R2.htm | 65060 | 2018-04-10 16:41:45 |
| R20.htm | 98943 | 2018-04-10 16:41:45 |
| R21.htm | 162872 | 2018-04-10 16:41:45 |
| R22.htm | 91637 | 2018-04-10 16:41:45 |
| R23.htm | 14452 | 2018-04-10 16:41:45 |
| R24.htm | 69142 | 2018-04-10 16:41:45 |
| R25.htm | 117098 | 2018-04-10 16:41:45 |
| R26.htm | 16978 | 2018-04-10 16:41:45 |
| R27.htm | 64553 | 2018-04-10 16:41:45 |
| R28.htm | 54733 | 2018-04-10 16:41:45 |
| R29.htm | 32955 | 2018-04-10 16:41:45 |
| R3.htm | 9380 | 2018-04-10 16:41:45 |
| R30.htm | 16323 | 2018-04-10 16:41:45 |
| R31.htm | 30189 | 2018-04-10 16:41:45 |
| R32.htm | 14923 | 2018-04-10 16:41:45 |
| R33.htm | 45405 | 2018-04-10 16:41:45 |
| R34.htm | 91461 | 2018-04-10 16:41:45 |
| R35.htm | 162822 | 2018-04-10 16:41:45 |
| R36.htm | 85697 | 2018-04-10 16:41:45 |
| R37.htm | 9195 | 2018-04-10 16:41:45 |
| R38.htm | 68915 | 2018-04-10 16:41:45 |
| R39.htm | 82237 | 2018-04-10 16:41:45 |
| R4.htm | 48893 | 2018-04-10 16:41:45 |
| R40.htm | 52266 | 2018-04-10 16:41:45 |
| R41.htm | 17363 | 2018-04-10 16:41:45 |
| R42.htm | 31133 | 2018-04-10 16:41:45 |
| R43.htm | 15794 | 2018-04-10 16:41:45 |
| R44.htm | 16459 | 2018-04-10 16:41:45 |
| R45.htm | 36627 | 2018-04-10 16:41:45 |
| R46.htm | 35098 | 2018-04-10 16:41:45 |
| R47.htm | 13882 | 2018-04-10 16:41:45 |
| R48.htm | 14238 | 2018-04-10 16:41:45 |
| R49.htm | 19783 | 2018-04-10 16:41:45 |
| R5.htm | 9772 | 2018-04-10 16:41:45 |
| R50.htm | 8408 | 2018-04-10 16:41:45 |
| R51.htm | 67098 | 2018-04-10 16:41:45 |
| R52.htm | 10493 | 2018-04-10 16:41:45 |
| R53.htm | 24994 | 2018-04-10 16:41:45 |
| R54.htm | 44459 | 2018-04-10 16:41:45 |
| R55.htm | 28060 | 2018-04-10 16:41:45 |
| R56.htm | 47479 | 2018-04-10 16:41:45 |
| R57.htm | 34265 | 2018-04-10 16:41:45 |
| R58.htm | 40138 | 2018-04-10 16:41:45 |
| R59.htm | 43301 | 2018-04-10 16:41:45 |
| R6.htm | 94984 | 2018-04-10 16:41:45 |
| R60.htm | 11053 | 2018-04-10 16:41:45 |
| R61.htm | 27652 | 2018-04-10 16:41:45 |
| R62.htm | 16365 | 2018-04-10 16:41:45 |
| R63.htm | 23914 | 2018-04-10 16:41:45 |
| R64.htm | 14273 | 2018-04-10 16:41:45 |
| R65.htm | 41923 | 2018-04-10 16:41:45 |
| R66.htm | 28132 | 2018-04-10 16:41:45 |
| R67.htm | 34954 | 2018-04-10 16:41:45 |
| R68.htm | 5192 | 2018-04-10 16:41:45 |
| R69.htm | 46211 | 2018-04-10 16:41:45 |
| R7.htm | 53883 | 2018-04-10 16:41:45 |
| R70.htm | 29781 | 2018-04-10 16:41:45 |
| R8.htm | 4622 | 2018-04-10 16:41:45 |
| R9.htm | 59449 | 2018-04-10 16:41:45 |
| report.css | 2767 | 2018-04-10 16:41:45 |
| Show.js | 1410 | 2018-04-10 16:41:45 |
| ssi-20180203.xml | 1887777 | 2018-04-10 16:41:45 |
| ssi-20180203.xsd | 65662 | 2018-04-10 16:41:45 |
| ssi-20180203_10k.htm | 2340196 | 2018-04-10 16:41:45 |
| ssi-20180203_10kxex21.htm | 3190 | 2018-04-10 16:41:45 |
| ssi-20180203_10kxex23.htm | 3399 | 2018-04-10 16:41:45 |
| ssi-20180203_10kxex241.htm | 11873 | 2018-04-10 16:41:45 |
| ssi-20180203_10kxex242.htm | 23163 | 2018-04-10 16:41:45 |
| ssi-20180203_10kxex311.htm | 12613 | 2018-04-10 16:41:45 |
| ssi-20180203_10kxex312.htm | 13068 | 2018-04-10 16:41:45 |
| ssi-20180203_10kxex32.htm | 9546 | 2018-04-10 16:41:45 |
| ssi-20180203_cal.xml | 121626 | 2018-04-10 16:41:45 |
| ssi-20180203_def.xml | 281506 | 2018-04-10 16:41:45 |
| ssi-20180203_lab.xml | 935365 | 2018-04-10 16:41:45 |
| ssi-20180203_pre.xml | 550495 | 2018-04-10 16:41:45 |