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SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 31, 2025 | Feb. 28, 2025 | May 31, 2024 | May 31, 2025 | May 31, 2024 | Aug. 31, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Apr. 30, 2020 | Sep. 30, 2018 | Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Research and development expense computer software | $ 2,100,000 |  | $ 2,100,000 | $ 7,600,000 | $ 6,400,000 |  |  |  |  |  |
Capitalized computer software, gross | 900,000 |  |  | $ 900,000 |  | $ 2,400,000 |  |  |  |  |
Capitalized computer software, additions |  |  | 800,000 |  | 2,600,000 |  |  |  |  |  |
Capitalized computer software, amortization, maximum period |  |  |  | 5 years |  |  |  |  |  |  |
Capitalized computer software, amortization | 800,000 |  | 500,000 | $ 2,400,000 | 1,300,000 |  |  |  |  |  |
Capitalized computer software, impairments |  |  | 0 | 1,200,000 | 0 |  |  |  |  |  |
Depreciation | 100,000 |  | 300,000 | 100,000 | 200,000 |  |  |  |  |  |
Impairments |  |  |  | 51,862,000 |  |  |  |  |  |  |
Impairment |  |  | 0 |  | 0 |  |  |  |  |  |
Debt securities, available-for-sale, allowance for credit loss | 0 |  |  | 0 |  | 0 |  |  |  |  |
Payment for contracts payable |  |  |  | $ 1,576,000 | 2,500,000 |  |  |  |  |  |
Fair value, liability, recurring basis, unobservable input reconciliation, gain (loss), statement of income or comprehensive income not disclosed flag |  |  |  | Consolidated Statements of Operations and Comprehensive Income |  |  |  |  |  |  |
Business combination, mergers and acquisitions expense (benefit) | 0 |  | 900,000 | $ 100,000 | 900,000 |  |  |  |  |  |
Discharge of holdback obligation related to Immunetrics acquisition |  |  |  | (224,000) | 0 |  |  |  |  |  |
Share-based payment arrangement, expense | $ 1,400,000 |  | $ 1,700,000 | $ 4,700,000 | $ 4,600,000 |  |  |  |  |  |
Anti-dilutive shares excluded (in shares) | 1,984,935 |  | 1,292,978 | 1,984,935 | 1,273,248 |  |  |  |  |  |
PBPK Services |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairment |  |  |  | $ 300,000 |  |  |  |  |  |  |
QSP Software |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments | $ 1,800,000 |  |  |  |  |  |  |  |  |  |
Impairment charges for its indefinite lived intangible assets |  |  |  | 900,000 |  |  |  |  |  |  |
Impairment |  |  |  | 2,200,000 |  |  |  |  |  |  |
ALI/MC Software |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments | 13,300,000 |  |  |  |  |  |  |  |  |  |
Impairment charges for its indefinite lived intangible assets |  |  |  | 4,600,000 |  |  |  |  |  |  |
Impairment |  |  |  | 15,700,000 |  |  |  |  |  |  |
MC Services |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments | 36,700,000 |  |  |  |  |  |  |  |  |  |
Impairment |  |  |  | 1,700,000 |  |  |  |  |  |  |
Immunetrics |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payment for contracts payable |  | $ 1,600,000 |  |  |  |  |  |  |  |  |
Discharge of holdback obligation related to Immunetrics acquisition |  |  |  | 100,000 |  |  |  |  |  |  |
Other Intangible Assets |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | 10,241,000 |  |  |  |  |  |  |
Amortization of intangible assets | 300,000 |  | $ 300,000 | 1,000,000.0 | $ 800,000 |  |  |  |  |  |
Acquisition value | 26,755,000 |  |  | 26,755,000 |  | 26,387,000 |  |  |  |  |
Certain Developed Technologies |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | 13,400,000 |  |  |  |  |  |  |
Certain Developed Technologies | DIL Isym |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization period |  |  |  |  |  |  |  |  |  |  | 9 years
Acquisition value |  |  |  |  |  |  |  |  |  |  | $ 2,900,000
Certain Developed Technologies | Lixoft |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization period |  |  |  |  |  |  |  |  | 16 years |  |
Acquisition value |  |  |  |  |  |  |  |  | $ 8,000,000.0 |  |
Certain Developed Technologies | Immunetrics |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Acquisition value |  |  |  |  |  |  |  | $ 1,100,000 |  |  |
Certain Developed Technologies | Pro-Ficiency |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Acquisition value |  |  |  |  |  |  | $ 16,600,000 |  |  |  |
Certain intellectual Property Rights | Entelos Holding Co |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization period |  |  |  |  |  |  |  |  |  | 10 years |
Acquisition value |  |  |  |  |  |  |  |  |  | $ 100,000 |
Intellectual property |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | 13,402,000 |  |  |  |  |  |  |
Acquisition value | $ 28,620,000 |  |  | 28,620,000 |  | $ 28,620,000 |  |  |  |  |
Intellectual property | DIL Isym |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | $ 0 |  |  |  |  |  |  |
Amortization period | 9 years |  |  | 9 years |  | 9 years |  |  |  |  |
Acquisition value | $ 2,850,000 |  |  | $ 2,850,000 |  | $ 2,850,000 |  |  |  |  |
Intellectual property | Entelos Holding Co |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | $ 0 |  |  |  |  |  |  |
Amortization period | 10 years |  |  | 10 years |  | 10 years |  |  |  |  |
Acquisition value | $ 50,000 |  |  | $ 50,000 |  | $ 50,000 |  |  |  |  |
Intellectual property | Lixoft |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | $ 0 |  |  |  |  |  |  |
Amortization period | 16 years |  |  | 16 years |  | 16 years |  |  |  |  |
Acquisition value | $ 8,010,000 |  |  | $ 8,010,000 |  | $ 8,010,000 |  |  |  |  |
Intellectual property | Immunetrics |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | $ 0 |  |  |  |  |  |  |
Amortization period | 5 years |  |  | 5 years |  | 5 years |  | 5 years |  |  |
Acquisition value | $ 1,080,000 |  |  | $ 1,080,000 |  | $ 1,080,000 |  |  |  |  |
Intellectual property | Pro-Ficiency |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | $ 13,402,000 |  |  |  |  |  |  |
Amortization period | 5 years |  |  | 5 years |  | 5 years | 5 years |  |  |  |
Acquisition value | $ 16,630,000 |  |  | $ 16,630,000 |  | $ 16,630,000 |  |  |  |  |
Intellectual Properties |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amortization of intangible assets | $ 1,100,000 |  | $ 400,000 | 3,300,000 | $ 1,200,000 |  |  |  |  |  |
Non-competes |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | $ 47,000 |  |  |  |  |  |  |
Amortization period | 2 years 1 month 6 days |  |  | 2 years 1 month 6 days |  |  |  |  |  |  |
Acquisition value | $ 100,000 |  |  | $ 100,000 |  | 100,000 |  |  |  |  |
Other internal use software |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | $ 270,000 |  |  |  |  |  |  |
Amortization period | 11 years 4 months 24 days |  |  | 11 years 4 months 24 days |  |  |  |  |  |  |
Acquisition value | $ 977,000 |  |  | $ 977,000 |  | 608,000 |  |  |  |  |
Customer relationships |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | $ 3,873,000 |  |  |  |  |  |  |
Amortization period | 7 years 9 months 18 days |  |  | 7 years 9 months 18 days |  |  |  |  |  |  |
Acquisition value | $ 10,540,000 |  |  | $ 10,540,000 |  | $ 10,540,000 |  |  |  |  |
ERP |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairments |  |  |  | $ 621,000 |  |  |  |  |  |  |
Amortization period | 11 years 7 months 6 days |  |  | 11 years 7 months 6 days |  | 15 years |  |  |  |  |
Acquisition value | $ 2,528,000 |  |  | $ 2,528,000 |  | $ 2,529,000 |  |  |  |  |

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