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| 0000897429-22-000074.txt | 2022-06-08 09:10:44 | |
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| chs-20220430.htm | 971913 | 2022-06-08 09:10:44 |
| chs-20220430.xsd | 24588 | 2022-06-08 09:10:44 |
| chs-20220430_cal.xml | 59865 | 2022-06-08 09:10:44 |
| chs-20220430_def.xml | 75492 | 2022-06-08 09:10:44 |
| chs-20220430_htm.xml | 698035 | 2022-06-08 09:10:44 |
| chs-20220430_lab.xml | 362827 | 2022-06-08 09:10:44 |
| chs-20220430_pre.xml | 215380 | 2022-06-08 09:10:44 |
| exhibit102chs-indemnificat.htm | 66044 | 2022-06-08 09:10:44 |
| exhibit103chs-2022annualre.htm | 83970 | 2022-06-08 09:10:44 |
| exhibit104chs-2022annualre.htm | 85680 | 2022-06-08 09:10:44 |
| exhibit105chs-2022annualpe.htm | 109756 | 2022-06-08 09:10:44 |
| FilingSummary.xml | 22011 | 2022-06-08 09:10:44 |
| Financial_Report.xlsx | 53419 | 2022-06-08 09:10:44 |
| MetaLinks.json | 429570 | 2022-06-08 09:10:44 |
| q12022exhibit311.htm | 11106 | 2022-06-08 09:10:44 |
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| q12022exhibit321.htm | 4398 | 2022-06-08 09:10:44 |
| q12022exhibit322.htm | 4424 | 2022-06-08 09:10:44 |
| R1.htm | 52345 | 2022-06-08 09:10:44 |
| R10.htm | 23954 | 2022-06-08 09:10:44 |
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| R2.htm | 80533 | 2022-06-08 09:10:44 |
| R20.htm | 39981 | 2022-06-08 09:10:44 |
| R21.htm | 26375 | 2022-06-08 09:10:44 |
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| R24.htm | 21877 | 2022-06-08 09:10:44 |
| R25.htm | 6985 | 2022-06-08 09:10:44 |
| R26.htm | 15127 | 2022-06-08 09:10:44 |
| R27.htm | 7195 | 2022-06-08 09:10:44 |
| R28.htm | 21160 | 2022-06-08 09:10:44 |
| R29.htm | 32734 | 2022-06-08 09:10:44 |
| R3.htm | 22392 | 2022-06-08 09:10:44 |
| R30.htm | 36707 | 2022-06-08 09:10:44 |
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| R32.htm | 46793 | 2022-06-08 09:10:44 |
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| R35.htm | 34089 | 2022-06-08 09:10:44 |
| R4.htm | 115920 | 2022-06-08 09:10:44 |
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| R8.htm | 10021 | 2022-06-08 09:10:44 |
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