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CONTRACTS PAYABLE - Other Liabilities (Details) - USD ($) $ in Thousands | Aug. 31, 2022 | Aug. 31, 2021
--- | --- | ---
ContractsPayableLineItems [Line Items] |  |
Contract with customer, liability | $ 0 | $ 4,550
Less: Current portion | 0 | 4,550
Long-term | 0 | 0
Holdback liability |  |
ContractsPayableLineItems [Line Items] |  |
Contract with customer, liability | 0 | 1,333
Earnout liability |  |
ContractsPayableLineItems [Line Items] |  |
Contract with customer, liability | $ 0 | $ 3,217

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- Definition Contracts payable - current portion + References No definition available. + Details
Name: | simu_ContractsPayableCurrent
Namespace Prefix: | simu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition ContractsPayableLineItems [Line Items] + References No definition available. + Details
Name: | simu_ContractsPayableLineItems
Namespace Prefix: | simu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Contracts payable, noncurrent + References No definition available. + Details
Name: | simu_ContractsPayableNonCurrent
Namespace Prefix: | simu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAxis=simu_EarnoutLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |