Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000832988-20-000292-index-headers.html | 2020-12-03 06:59:12 | |
| 0000832988-20-000292-index.html | 2020-12-03 06:59:12 | |
| 0000832988-20-000292.txt | 2020-12-03 06:59:12 | |
 0000832988-20-000292-xbrl.zip | 435819 | 2020-12-03 06:59:12 |
| FilingSummary.xml | 59898 | 2020-12-03 06:59:12 |
| Financial_Report.xlsx | 151172 | 2020-12-03 06:59:12 |
| fy21q3exhibit221.htm | 13138 | 2020-12-03 06:59:12 |
| fy21q3exhibit311.htm | 8972 | 2020-12-03 06:59:12 |
| fy21q3exhibit312.htm | 8946 | 2020-12-03 06:59:12 |
| fy21q3exhibit321.htm | 5032 | 2020-12-03 06:59:12 |
| fy21q3exhibit322.htm | 5060 | 2020-12-03 06:59:12 |
| MetaLinks.json | 861666 | 2020-12-03 06:59:12 |
| R1.htm | 51954 | 2020-12-03 06:59:12 |
| R10.htm | 20148 | 2020-12-03 06:59:12 |
| R11.htm | 267770 | 2020-12-03 06:59:12 |
| R12.htm | 56704 | 2020-12-03 06:59:12 |
| R13.htm | 42325 | 2020-12-03 06:59:12 |
| R14.htm | 16339 | 2020-12-03 06:59:12 |
| R15.htm | 38118 | 2020-12-03 06:59:12 |
| R16.htm | 51217 | 2020-12-03 06:59:12 |
| R17.htm | 84278 | 2020-12-03 06:59:12 |
| R18.htm | 15289 | 2020-12-03 06:59:12 |
| R19.htm | 45719 | 2020-12-03 06:59:12 |
| R2.htm | 78822 | 2020-12-03 06:59:12 |
| R20.htm | 13291 | 2020-12-03 06:59:12 |
| R21.htm | 29217 | 2020-12-03 06:59:12 |
| R22.htm | 49435 | 2020-12-03 06:59:12 |
| R23.htm | 57111 | 2020-12-03 06:59:12 |
| R24.htm | 131501 | 2020-12-03 06:59:12 |
| R25.htm | 92609 | 2020-12-03 06:59:12 |
| R26.htm | 32012 | 2020-12-03 06:59:12 |
| R27.htm | 28301 | 2020-12-03 06:59:12 |
| R28.htm | 4620 | 2020-12-03 06:59:12 |
| R29.htm | 28939 | 2020-12-03 06:59:12 |
| R3.htm | 105493 | 2020-12-03 06:59:12 |
| R30.htm | 28191 | 2020-12-03 06:59:12 |
| R31.htm | 260218 | 2020-12-03 06:59:12 |
| R32.htm | 51022 | 2020-12-03 06:59:12 |
| R33.htm | 43521 | 2020-12-03 06:59:12 |
| R34.htm | 15081 | 2020-12-03 06:59:12 |
| R35.htm | 38399 | 2020-12-03 06:59:12 |
| R36.htm | 53607 | 2020-12-03 06:59:12 |
| R37.htm | 85499 | 2020-12-03 06:59:12 |
| R38.htm | 10580 | 2020-12-03 06:59:12 |
| R39.htm | 40155 | 2020-12-03 06:59:12 |
| R4.htm | 108691 | 2020-12-03 06:59:12 |
| R40.htm | 13990 | 2020-12-03 06:59:12 |
| R41.htm | 21519 | 2020-12-03 06:59:12 |
| R42.htm | 48573 | 2020-12-03 06:59:12 |
| R43.htm | 52227 | 2020-12-03 06:59:12 |
| R44.htm | 122810 | 2020-12-03 06:59:12 |
| R45.htm | 85338 | 2020-12-03 06:59:12 |
| R46.htm | 21836 | 2020-12-03 06:59:12 |
| R47.htm | 27975 | 2020-12-03 06:59:12 |
| R48.htm | 9669 | 2020-12-03 06:59:12 |
| R49.htm | 107521 | 2020-12-03 06:59:12 |
| R5.htm | 22326 | 2020-12-03 06:59:12 |
| R50.htm | 6593 | 2020-12-03 06:59:12 |
| R51.htm | 15347 | 2020-12-03 06:59:12 |
| R52.htm | 8702 | 2020-12-03 06:59:12 |
| R53.htm | 16224 | 2020-12-03 06:59:12 |
| R54.htm | 14963 | 2020-12-03 06:59:12 |
| R55.htm | 4380 | 2020-12-03 06:59:12 |
| R56.htm | 58296 | 2020-12-03 06:59:12 |
| R57.htm | 30754 | 2020-12-03 06:59:12 |
| R58.htm | 22287 | 2020-12-03 06:59:12 |
| R59.htm | 21340 | 2020-12-03 06:59:12 |
| R6.htm | 95232 | 2020-12-03 06:59:12 |
| R60.htm | 23597 | 2020-12-03 06:59:12 |
| R61.htm | 12464 | 2020-12-03 06:59:12 |
| R62.htm | 21210 | 2020-12-03 06:59:12 |
| R63.htm | 3971 | 2020-12-03 06:59:12 |
| R64.htm | 32727 | 2020-12-03 06:59:12 |
| R65.htm | 11071 | 2020-12-03 06:59:12 |
| R66.htm | 34466 | 2020-12-03 06:59:12 |
| R67.htm | 70438 | 2020-12-03 06:59:12 |
| R68.htm | 8508 | 2020-12-03 06:59:12 |
| R69.htm | 7881 | 2020-12-03 06:59:12 |
| R7.htm | 62245 | 2020-12-03 06:59:12 |
| R70.htm | 14586 | 2020-12-03 06:59:12 |
| R71.htm | 11401 | 2020-12-03 06:59:12 |
| R72.htm | 10634 | 2020-12-03 06:59:12 |
| R73.htm | 13398 | 2020-12-03 06:59:12 |
| R74.htm | 17732 | 2020-12-03 06:59:12 |
| R75.htm | 9510 | 2020-12-03 06:59:12 |
| R76.htm | 5021 | 2020-12-03 06:59:12 |
| R77.htm | 17918 | 2020-12-03 06:59:12 |
| R78.htm | 7728 | 2020-12-03 06:59:12 |
| R79.htm | 5149 | 2020-12-03 06:59:12 |
| R8.htm | 7297 | 2020-12-03 06:59:12 |
| R80.htm | 6823 | 2020-12-03 06:59:12 |
| R81.htm | 13961 | 2020-12-03 06:59:12 |
| R82.htm | 11693 | 2020-12-03 06:59:12 |
| R83.htm | 20034 | 2020-12-03 06:59:12 |
| R84.htm | 19566 | 2020-12-03 06:59:12 |
| R85.htm | 16159 | 2020-12-03 06:59:12 |
| R86.htm | 26981 | 2020-12-03 06:59:12 |
| R87.htm | 21681 | 2020-12-03 06:59:12 |
| R88.htm | 26335 | 2020-12-03 06:59:12 |
| R89.htm | 40902 | 2020-12-03 06:59:12 |
| R9.htm | 18138 | 2020-12-03 06:59:12 |
| R90.htm | 8907 | 2020-12-03 06:59:12 |
| R91.htm | 39789 | 2020-12-03 06:59:12 |
| R92.htm | 5884 | 2020-12-03 06:59:12 |
| R93.htm | 16443 | 2020-12-03 06:59:12 |
| R94.htm | 23841 | 2020-12-03 06:59:12 |
| R95.htm | 45402 | 2020-12-03 06:59:12 |
| R96.htm | 10574 | 2020-12-03 06:59:12 |
| R97.htm | 11279 | 2020-12-03 06:59:12 |
| R98.htm | 5477 | 2020-12-03 06:59:12 |
| R99.htm | 35587 | 2020-12-03 06:59:12 |
| report.css | 2768 | 2020-12-03 06:59:12 |
| Show.js | 1086 | 2020-12-03 06:59:12 |
| sig-20201031.htm | 3400374 | 2020-12-03 06:59:12 |
| sig-20201031.xsd | 67483 | 2020-12-03 06:59:12 |
| sig-20201031_cal.xml | 151268 | 2020-12-03 06:59:12 |
| sig-20201031_def.xml | 349521 | 2020-12-03 06:59:12 |
| sig-20201031_htm.xml | 3532316 | 2020-12-03 06:59:12 |
| sig-20201031_lab.xml | 782745 | 2020-12-03 06:59:12 |
| sig-20201031_pre.xml | 570396 | 2020-12-03 06:59:12 |