Fair Value of Financial Instruments - Schedule of Valuation Techniques and Significant Observable Inputs (Details) - Operating Segments	Sep. 30, 2026	Sep. 30, 2025
Weighted-average payor credit spread \| Specialty Technology Solutions
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.0102	0.0180
Weighted-average payor credit spread \| Intelisys & Solution Services
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.0102	0.0180
Weighted-average adjusted EBITDA risk premium \| Specialty Technology Solutions
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.1240	0.1530
Weighted-average adjusted EBITDA risk premium \| Intelisys & Solution Services
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.1270	0.1270
Adjusted EBITDA volatility \| Specialty Technology Solutions
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.6000
Adjusted EBITDA volatility \| Intelisys & Solution Services
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.5000	0.4000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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