| Name | Size | Last Modified |
|---|
 0000091767-23-000020-index-headers.html | | 2023-05-03 12:28:23 |
| 0000091767-23-000020-index.html | | 2023-05-03 12:28:23 |
| 0000091767-23-000020.txt | | 2023-05-03 12:28:23 |
 0000091767-23-000020-xbrl.zip | 342154 | 2023-05-03 12:28:23 |
| FilingSummary.xml | 45968 | 2023-05-03 12:28:23 |
| Financial_Report.xlsx | 123345 | 2023-05-03 12:28:23 |
| MetaLinks.json | 926067 | 2023-05-03 12:28:23 |
| R1.htm | 51531 | 2023-05-03 12:28:23 |
| R10.htm | 55885 | 2023-05-03 12:28:23 |
| R11.htm | 33543 | 2023-05-03 12:28:23 |
| R12.htm | 52016 | 2023-05-03 12:28:23 |
| R13.htm | 99718 | 2023-05-03 12:28:23 |
| R14.htm | 43165 | 2023-05-03 12:28:23 |
| R15.htm | 11364 | 2023-05-03 12:28:23 |
| R16.htm | 100455 | 2023-05-03 12:28:23 |
| R17.htm | 47921 | 2023-05-03 12:28:23 |
| R18.htm | 34746 | 2023-05-03 12:28:23 |
| R19.htm | 9363 | 2023-05-03 12:28:23 |
| R2.htm | 125488 | 2023-05-03 12:28:23 |
| R20.htm | 120025 | 2023-05-03 12:28:23 |
| R21.htm | 79011 | 2023-05-03 12:28:23 |
| R22.htm | 37624 | 2023-05-03 12:28:23 |
| R23.htm | 10213 | 2023-05-03 12:28:23 |
| R24.htm | 11572 | 2023-05-03 12:28:23 |
| R25.htm | 45283 | 2023-05-03 12:28:23 |
| R26.htm | 26641 | 2023-05-03 12:28:23 |
| R27.htm | 50903 | 2023-05-03 12:28:23 |
| R28.htm | 103171 | 2023-05-03 12:28:23 |
| R29.htm | 42846 | 2023-05-03 12:28:23 |
| R3.htm | 8804 | 2023-05-03 12:28:23 |
| R30.htm | 10394 | 2023-05-03 12:28:23 |
| R31.htm | 99147 | 2023-05-03 12:28:23 |
| R32.htm | 43016 | 2023-05-03 12:28:23 |
| R33.htm | 26492 | 2023-05-03 12:28:23 |
| R34.htm | 61001 | 2023-05-03 12:28:23 |
| R35.htm | 74642 | 2023-05-03 12:28:23 |
| R36.htm | 31668 | 2023-05-03 12:28:23 |
| R37.htm | 98507 | 2023-05-03 12:28:23 |
| R38.htm | 58119 | 2023-05-03 12:28:23 |
| R39.htm | 9715 | 2023-05-03 12:28:23 |
| R4.htm | 93894 | 2023-05-03 12:28:23 |
| R40.htm | 40897 | 2023-05-03 12:28:23 |
| R41.htm | 6844 | 2023-05-03 12:28:23 |
| R42.htm | 52890 | 2023-05-03 12:28:23 |
| R43.htm | 26683 | 2023-05-03 12:28:23 |
| R44.htm | 24519 | 2023-05-03 12:28:23 |
| R45.htm | 14423 | 2023-05-03 12:28:23 |
| R46.htm | 53579 | 2023-05-03 12:28:23 |
| R47.htm | 49481 | 2023-05-03 12:28:23 |
| R48.htm | 43500 | 2023-05-03 12:28:23 |
| R49.htm | 23984 | 2023-05-03 12:28:23 |
| R5.htm | 42053 | 2023-05-03 12:28:23 |
| R50.htm | 37127 | 2023-05-03 12:28:23 |
| R51.htm | 23384 | 2023-05-03 12:28:23 |
| R52.htm | 5654 | 2023-05-03 12:28:23 |
| R53.htm | 8469 | 2023-05-03 12:28:23 |
| R54.htm | 51121 | 2023-05-03 12:28:23 |
| R55.htm | 9611 | 2023-05-03 12:28:23 |
| R56.htm | 7731 | 2023-05-03 12:28:23 |
| R57.htm | 30404 | 2023-05-03 12:28:23 |
| R58.htm | 21022 | 2023-05-03 12:28:23 |
| R59.htm | 19523 | 2023-05-03 12:28:23 |
| R6.htm | 73030 | 2023-05-03 12:28:23 |
| R60.htm | 44053 | 2023-05-03 12:28:23 |
| R61.htm | 28762 | 2023-05-03 12:28:23 |
| R62.htm | 32354 | 2023-05-03 12:28:23 |
| R63.htm | 8385 | 2023-05-03 12:28:23 |
| R64.htm | 17039 | 2023-05-03 12:28:23 |
| R65.htm | 29819 | 2023-05-03 12:28:23 |
| R66.htm | 13910 | 2023-05-03 12:28:23 |
| R67.htm | 24654 | 2023-05-03 12:28:23 |
| R68.htm | 3778 | 2023-05-03 12:28:23 |
| R69.htm | 7717 | 2023-05-03 12:28:23 |
| R7.htm | 96086 | 2023-05-03 12:28:23 |
| R70.htm | 24084 | 2023-05-03 12:28:23 |
| R71.htm | 39382 | 2023-05-03 12:28:23 |
| R72.htm | 4339 | 2023-05-03 12:28:23 |
| R73.htm | 35713 | 2023-05-03 12:28:23 |
| R74.htm | 14069 | 2023-05-03 12:28:23 |
| R8.htm | 6153 | 2023-05-03 12:28:23 |
| R9.htm | 16358 | 2023-05-03 12:28:23 |
| report.css | 2767 | 2023-05-03 12:28:23 |
| Show.js | 1085 | 2023-05-03 12:28:23 |
| son-20230402.htm | 2147412 | 2023-05-03 12:28:23 |
| son-20230402.xsd | 58629 | 2023-05-03 12:28:23 |
| son-20230402_cal.xml | 106449 | 2023-05-03 12:28:23 |
| son-20230402_def.xml | 349677 | 2023-05-03 12:28:23 |
| son-20230402_htm.xml | 2206663 | 2023-05-03 12:28:23 |
| son-20230402_lab.xml | 751415 | 2023-05-03 12:28:23 |
| son-20230402_pre.xml | 538594 | 2023-05-03 12:28:23 |
| sonexhibit312023.htm | 20911 | 2023-05-03 12:28:23 |
| sonexhibit322023.htm | 6609 | 2023-05-03 12:28:23 |
Parent Directory