Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001144204-17-011732-index-headers.html | 2017-02-28 16:45:08 | |
| 0001144204-17-011732-index.html | 2017-02-28 16:45:08 | |
| 0001144204-17-011732.txt | 2017-02-28 16:45:08 | |
 0001144204-17-011732-xbrl.zip | 324739 | 2017-02-28 16:45:08 |
| FilingSummary.xml | 54275 | 2017-02-28 16:45:08 |
| Financial_Report.xlsx | 133674 | 2017-02-28 16:45:08 |
| R1.htm | 28223 | 2017-02-28 16:45:08 |
| R10.htm | 177863 | 2017-02-28 16:45:08 |
| R11.htm | 12149 | 2017-02-28 16:45:08 |
| R12.htm | 256171 | 2017-02-28 16:45:08 |
| R13.htm | 353350 | 2017-02-28 16:45:08 |
| R14.htm | 76279 | 2017-02-28 16:45:08 |
| R15.htm | 29473 | 2017-02-28 16:45:08 |
| R16.htm | 59526 | 2017-02-28 16:45:08 |
| R17.htm | 8673 | 2017-02-28 16:45:08 |
| R18.htm | 28413 | 2017-02-28 16:45:08 |
| R19.htm | 579376 | 2017-02-28 16:45:08 |
| R2.htm | 89581 | 2017-02-28 16:45:08 |
| R20.htm | 936434 | 2017-02-28 16:45:08 |
| R21.htm | 118954 | 2017-02-28 16:45:08 |
| R22.htm | 350956 | 2017-02-28 16:45:08 |
| R23.htm | 276210 | 2017-02-28 16:45:08 |
| R24.htm | 11627 | 2017-02-28 16:45:08 |
| R25.htm | 189323 | 2017-02-28 16:45:08 |
| R26.htm | 177867 | 2017-02-28 16:45:08 |
| R27.htm | 239386 | 2017-02-28 16:45:08 |
| R28.htm | 345784 | 2017-02-28 16:45:08 |
| R29.htm | 66248 | 2017-02-28 16:45:08 |
| R3.htm | 18489 | 2017-02-28 16:45:08 |
| R30.htm | 24354 | 2017-02-28 16:45:08 |
| R31.htm | 57043 | 2017-02-28 16:45:08 |
| R32.htm | 25106 | 2017-02-28 16:45:08 |
| R33.htm | 574981 | 2017-02-28 16:45:08 |
| R34.htm | 928048 | 2017-02-28 16:45:08 |
| R35.htm | 112257 | 2017-02-28 16:45:08 |
| R36.htm | 34853 | 2017-02-28 16:45:08 |
| R37.htm | 15164 | 2017-02-28 16:45:08 |
| R38.htm | 29956 | 2017-02-28 16:45:08 |
| R39.htm | 74666 | 2017-02-28 16:45:08 |
| R4.htm | 55798 | 2017-02-28 16:45:08 |
| R40.htm | 36120 | 2017-02-28 16:45:08 |
| R41.htm | 41576 | 2017-02-28 16:45:08 |
| R42.htm | 8082 | 2017-02-28 16:45:08 |
| R43.htm | 14792 | 2017-02-28 16:45:08 |
| R44.htm | 50130 | 2017-02-28 16:45:08 |
| R45.htm | 20582 | 2017-02-28 16:45:08 |
| R46.htm | 35711 | 2017-02-28 16:45:08 |
| R47.htm | 59068 | 2017-02-28 16:45:08 |
| R48.htm | 33989 | 2017-02-28 16:45:08 |
| R49.htm | 60957 | 2017-02-28 16:45:08 |
| R5.htm | 58624 | 2017-02-28 16:45:08 |
| R50.htm | 29284 | 2017-02-28 16:45:08 |
| R51.htm | 28267 | 2017-02-28 16:45:08 |
| R52.htm | 25930 | 2017-02-28 16:45:08 |
| R53.htm | 11452 | 2017-02-28 16:45:08 |
| R54.htm | 21878 | 2017-02-28 16:45:08 |
| R55.htm | 31245 | 2017-02-28 16:45:08 |
| R56.htm | 15809 | 2017-02-28 16:45:08 |
| R57.htm | 17063 | 2017-02-28 16:45:08 |
| R58.htm | 31075 | 2017-02-28 16:45:08 |
| R59.htm | 42738 | 2017-02-28 16:45:08 |
| R6.htm | 73750 | 2017-02-28 16:45:08 |
| R60.htm | 34424 | 2017-02-28 16:45:08 |
| R61.htm | 44977 | 2017-02-28 16:45:08 |
| R62.htm | 21831 | 2017-02-28 16:45:08 |
| R63.htm | 12177 | 2017-02-28 16:45:08 |
| R64.htm | 17092 | 2017-02-28 16:45:08 |
| R65.htm | 11022 | 2017-02-28 16:45:08 |
| R66.htm | 14312 | 2017-02-28 16:45:08 |
| R67.htm | 16069 | 2017-02-28 16:45:08 |
| R68.htm | 20927 | 2017-02-28 16:45:08 |
| R69.htm | 21137 | 2017-02-28 16:45:08 |
| R7.htm | 322145 | 2017-02-28 16:45:08 |
| R70.htm | 18936 | 2017-02-28 16:45:08 |
| R71.htm | 21280 | 2017-02-28 16:45:08 |
| R72.htm | 10189 | 2017-02-28 16:45:08 |
| R73.htm | 4384 | 2017-02-28 16:45:08 |
| R74.htm | 19288 | 2017-02-28 16:45:08 |
| R75.htm | 88043 | 2017-02-28 16:45:08 |
| R76.htm | 70448 | 2017-02-28 16:45:08 |
| R77.htm | 29015 | 2017-02-28 16:45:08 |
| R78.htm | 111910 | 2017-02-28 16:45:08 |
| R79.htm | 88105 | 2017-02-28 16:45:08 |
| R8.htm | 23128 | 2017-02-28 16:45:08 |
| R80.htm | 32437 | 2017-02-28 16:45:08 |
| R81.htm | 85575 | 2017-02-28 16:45:08 |
| R9.htm | 207063 | 2017-02-28 16:45:08 |
| report.css | 2768 | 2017-02-28 16:45:08 |
| Show.js | 1411 | 2017-02-28 16:45:08 |
| stld-20161231.xml | 7460126 | 2017-02-28 16:45:08 |
| stld-20161231.xsd | 70859 | 2017-02-28 16:45:08 |
| stld-20161231x10k.htm | 5489710 | 2017-02-28 16:45:08 |
 stld-20161231x10kg001.jpg | 128985 | 2017-02-28 16:45:08 |
 stld-20161231x10kg002.jpg | 20830 | 2017-02-28 16:45:08 |
 stld-20161231x10kg003.jpg | 22305 | 2017-02-28 16:45:08 |
 stld-20161231x10kg004.jpg | 24806 | 2017-02-28 16:45:08 |
 stld-20161231x10kg005.jpg | 30153 | 2017-02-28 16:45:08 |
 stld-20161231x10kg006.jpg | 40814 | 2017-02-28 16:45:08 |
 stld-20161231x10kg007.jpg | 48718 | 2017-02-28 16:45:08 |
| stld-20161231xex12_1.htm | 84053 | 2017-02-28 16:45:08 |
| stld-20161231xex21_1.htm | 30069 | 2017-02-28 16:45:08 |
| stld-20161231xex23_1.htm | 3378 | 2017-02-28 16:45:08 |
| stld-20161231xex31_1.htm | 16011 | 2017-02-28 16:45:08 |
| stld-20161231xex31_2.htm | 16655 | 2017-02-28 16:45:08 |
| stld-20161231xex32_1.htm | 12670 | 2017-02-28 16:45:08 |
| stld-20161231xex32_2.htm | 14297 | 2017-02-28 16:45:08 |
| stld-20161231xex95.htm | 6507 | 2017-02-28 16:45:08 |
 stld-20161231xex95g001.jpg | 26442 | 2017-02-28 16:45:08 |
| stld-20161231_cal.xml | 95576 | 2017-02-28 16:45:08 |
| stld-20161231_def.xml | 382987 | 2017-02-28 16:45:08 |
| stld-20161231_lab.xml | 713344 | 2017-02-28 16:45:08 |
| stld-20161231_pre.xml | 633600 | 2017-02-28 16:45:08 |