Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000866729-20-000010-index-headers.html | 2020-07-27 17:12:00 | |
| 0000866729-20-000010-index.html | 2020-07-27 17:12:00 | |
| 0000866729-20-000010.txt | 2020-07-27 17:12:00 | |
 0000866729-20-000010-xbrl.zip | 614852 | 2020-07-27 17:12:00 |
 chart-8c68701ffc3f55cab3f.jpg | 73662 | 2020-07-27 17:12:00 |
| exhibit215312020-10k.htm | 29900 | 2020-07-27 17:12:00 |
| exhibit235312020.htm | 8508 | 2020-07-27 17:12:00 |
| exhibit41.htm | 9449 | 2020-07-27 17:12:00 |
| FilingSummary.xml | 74013 | 2020-07-27 17:12:00 |
| Financial_Report.xlsx | 176781 | 2020-07-27 17:12:00 |
 masterschlredbarlogoa07.jpg | 48286 | 2020-07-27 17:12:00 |
| MetaLinks.json | 1203873 | 2020-07-27 17:12:00 |
| R1.htm | 67778 | 2020-07-27 17:12:00 |
| R10.htm | 47585 | 2020-07-27 17:12:00 |
| R100.htm | 31800 | 2020-07-27 17:12:00 |
| R101.htm | 6898 | 2020-07-27 17:12:00 |
| R102.htm | 11568 | 2020-07-27 17:12:00 |
| R103.htm | 43641 | 2020-07-27 17:12:00 |
| R104.htm | 36509 | 2020-07-27 17:12:00 |
| R105.htm | 30272 | 2020-07-27 17:12:00 |
| R106.htm | 13204 | 2020-07-27 17:12:00 |
| R107.htm | 16591 | 2020-07-27 17:12:00 |
| R108.htm | 17736 | 2020-07-27 17:12:00 |
| R109.htm | 10384 | 2020-07-27 17:12:00 |
| R11.htm | 193068 | 2020-07-27 17:12:00 |
| R110.htm | 54165 | 2020-07-27 17:12:00 |
| R111.htm | 8680 | 2020-07-27 17:12:00 |
| R112.htm | 21224 | 2020-07-27 17:12:00 |
| R12.htm | 6347 | 2020-07-27 17:12:00 |
| R13.htm | 70468 | 2020-07-27 17:12:00 |
| R14.htm | 30713 | 2020-07-27 17:12:00 |
| R15.htm | 19385 | 2020-07-27 17:12:00 |
| R16.htm | 141184 | 2020-07-27 17:12:00 |
| R17.htm | 31289 | 2020-07-27 17:12:00 |
| R18.htm | 55531 | 2020-07-27 17:12:00 |
| R19.htm | 14159 | 2020-07-27 17:12:00 |
| R2.htm | 80888 | 2020-07-27 17:12:00 |
| R20.htm | 198685 | 2020-07-27 17:12:00 |
| R21.htm | 130646 | 2020-07-27 17:12:00 |
| R22.htm | 16808 | 2020-07-27 17:12:00 |
| R23.htm | 411098 | 2020-07-27 17:12:00 |
| R24.htm | 103040 | 2020-07-27 17:12:00 |
| R25.htm | 39613 | 2020-07-27 17:12:00 |
| R26.htm | 34468 | 2020-07-27 17:12:00 |
| R27.htm | 6219 | 2020-07-27 17:12:00 |
| R28.htm | 90804 | 2020-07-27 17:12:00 |
| R29.htm | 5451 | 2020-07-27 17:12:00 |
| R3.htm | 33173 | 2020-07-27 17:12:00 |
| R30.htm | 71656 | 2020-07-27 17:12:00 |
| R31.htm | 137699 | 2020-07-27 17:12:00 |
| R32.htm | 22800 | 2020-07-27 17:12:00 |
| R33.htm | 40911 | 2020-07-27 17:12:00 |
| R34.htm | 181778 | 2020-07-27 17:12:00 |
| R35.htm | 49439 | 2020-07-27 17:12:00 |
| R36.htm | 20315 | 2020-07-27 17:12:00 |
| R37.htm | 14858 | 2020-07-27 17:12:00 |
| R38.htm | 98908 | 2020-07-27 17:12:00 |
| R39.htm | 25672 | 2020-07-27 17:12:00 |
| R4.htm | 126110 | 2020-07-27 17:12:00 |
| R40.htm | 53160 | 2020-07-27 17:12:00 |
| R41.htm | 182046 | 2020-07-27 17:12:00 |
| R42.htm | 121796 | 2020-07-27 17:12:00 |
| R43.htm | 14858 | 2020-07-27 17:12:00 |
| R44.htm | 415688 | 2020-07-27 17:12:00 |
| R45.htm | 103271 | 2020-07-27 17:12:00 |
| R46.htm | 38718 | 2020-07-27 17:12:00 |
| R47.htm | 34242 | 2020-07-27 17:12:00 |
| R48.htm | 78959 | 2020-07-27 17:12:00 |
| R49.htm | 49329 | 2020-07-27 17:12:00 |
| R5.htm | 21333 | 2020-07-27 17:12:00 |
| R50.htm | 15523 | 2020-07-27 17:12:00 |
| R51.htm | 25451 | 2020-07-27 17:12:00 |
| R52.htm | 7591 | 2020-07-27 17:12:00 |
| R53.htm | 73280 | 2020-07-27 17:12:00 |
| R54.htm | 15860 | 2020-07-27 17:12:00 |
| R55.htm | 30677 | 2020-07-27 17:12:00 |
| R56.htm | 19389 | 2020-07-27 17:12:00 |
| R57.htm | 88495 | 2020-07-27 17:12:00 |
| R58.htm | 10420 | 2020-07-27 17:12:00 |
| R59.htm | 27381 | 2020-07-27 17:12:00 |
| R6.htm | 81603 | 2020-07-27 17:12:00 |
| R60.htm | 33593 | 2020-07-27 17:12:00 |
| R61.htm | 7135 | 2020-07-27 17:12:00 |
| R62.htm | 38646 | 2020-07-27 17:12:00 |
| R63.htm | 20557 | 2020-07-27 17:12:00 |
| R64.htm | 11546 | 2020-07-27 17:12:00 |
| R65.htm | 8897 | 2020-07-27 17:12:00 |
| R66.htm | 40297 | 2020-07-27 17:12:00 |
| R67.htm | 11334 | 2020-07-27 17:12:00 |
| R68.htm | 21874 | 2020-07-27 17:12:00 |
| R69.htm | 16972 | 2020-07-27 17:12:00 |
| R7.htm | 7799 | 2020-07-27 17:12:00 |
| R70.htm | 22031 | 2020-07-27 17:12:00 |
| R71.htm | 15267 | 2020-07-27 17:12:00 |
| R72.htm | 46231 | 2020-07-27 17:12:00 |
| R73.htm | 51758 | 2020-07-27 17:12:00 |
| R74.htm | 12435 | 2020-07-27 17:12:00 |
| R75.htm | 32968 | 2020-07-27 17:12:00 |
| R76.htm | 34623 | 2020-07-27 17:12:00 |
| R77.htm | 40735 | 2020-07-27 17:12:00 |
| R78.htm | 16281 | 2020-07-27 17:12:00 |
| R79.htm | 99995 | 2020-07-27 17:12:00 |
| R8.htm | 110326 | 2020-07-27 17:12:00 |
| R80.htm | 21228 | 2020-07-27 17:12:00 |
| R81.htm | 11575 | 2020-07-27 17:12:00 |
| R82.htm | 40478 | 2020-07-27 17:12:00 |
| R83.htm | 8648 | 2020-07-27 17:12:00 |
| R84.htm | 8215 | 2020-07-27 17:12:00 |
| R85.htm | 25147 | 2020-07-27 17:12:00 |
| R86.htm | 8889 | 2020-07-27 17:12:00 |
| R87.htm | 18604 | 2020-07-27 17:12:00 |
| R88.htm | 45749 | 2020-07-27 17:12:00 |
| R89.htm | 29862 | 2020-07-27 17:12:00 |
| R9.htm | 101138 | 2020-07-27 17:12:00 |
| R90.htm | 33748 | 2020-07-27 17:12:00 |
| R91.htm | 20188 | 2020-07-27 17:12:00 |
| R92.htm | 16558 | 2020-07-27 17:12:00 |
| R93.htm | 13924 | 2020-07-27 17:12:00 |
| R94.htm | 19842 | 2020-07-27 17:12:00 |
| R95.htm | 30903 | 2020-07-27 17:12:00 |
| R96.htm | 17224 | 2020-07-27 17:12:00 |
| R97.htm | 14831 | 2020-07-27 17:12:00 |
| R98.htm | 52297 | 2020-07-27 17:12:00 |
| R99.htm | 17164 | 2020-07-27 17:12:00 |
| report.css | 2768 | 2020-07-27 17:12:00 |
| schl-20200531.xsd | 107958 | 2020-07-27 17:12:00 |
| schl-20200531_cal.xml | 158321 | 2020-07-27 17:12:00 |
| schl-20200531_def.xml | 569984 | 2020-07-27 17:12:00 |
| schl-20200531_lab.xml | 1392619 | 2020-07-27 17:12:00 |
| schl-20200531_pre.xml | 876598 | 2020-07-27 17:12:00 |
| schl-ex3115312020x10k.htm | 20504 | 2020-07-27 17:12:00 |
| schl-ex3125312020x10k.htm | 23755 | 2020-07-27 17:12:00 |
| schl-ex325312020x10k.htm | 12362 | 2020-07-27 17:12:00 |
| schl5312020-10k.htm | 4349779 | 2020-07-27 17:12:00 |
| schl5312020-10k_htm.xml | 4549752 | 2020-07-27 17:12:00 |
| Show.js | 1086 | 2020-07-27 17:12:00 |