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Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended	12 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2026 USD ($) Unit	Jun. 30, 2025 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Unbilled accounts receivable	$ 27,575,000	$ 27,575,000	$ 21,478,000
Number of reporting units \| Unit		2
Revenue, practical expedient, nondisclosure of transaction price allocation to performance obligation description		true
Defined contribution plan, contributions by employer		$ 2,203,000	2,063,000
Performance goals measured period		3 years
Derivative instruments designated as hedges	$ 0	$ 0	$ 0
Reissuances of treasury stock		$ 0
ASU 2023-09 Prospective
Summary Of Significant Accounting Policies [Line Items]
Change in accounting principle, ASU, Adopted [true false]	true	true
Licenses
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangibles assets, useful life	10 years	10 years
Developed technology
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangibles assets, useful life	5 years	5 years
Maximum \| Customer-Related Intangible Assets
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangibles assets, useful life	15 years	15 years
Maximum \| Trademarks and Trade Names
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangibles assets, useful life	15 years	15 years
Maximum \| Non-compete Agreements
Summary Of Significant Accounting Policies [Line Items]
Finite-lived intangibles assets, useful life	5 years	5 years
Revision of Prior Period Error Correction Adjustment
Summary Of Significant Accounting Policies [Line Items]
Revenue and cost of transportation and other services	$ 13,621,553,000
Radiant Logistics Partners LLC \| Radiant Capital Partners, LLC \| Chief Executive Officer \| Variable Interest Entity, Primary Beneficiary
Summary Of Significant Accounting Policies [Line Items]
Equity method investment, ownership percentage		60.00%