Business Acquisitions (Tables)

6 Months Ended

Mar. 31, 2025

Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following table summarizes the consideration for the acquisitions and the provisional amounts of identified assets acquired and liabilities assumed as of March 31, 2025 (unaudited, in thousands):

	Lone Star Paving		Overland Corporation		Mobile Asphalt Company, LLC		Total
Cash and cash equivalents	$	9,901	$	2,426	$	—	$	12,327
Contracts receivable including retainage	96,740		5,658		6,084		108,482
Cost and estimated earnings in excess of billings on uncompleted contracts	3,972		1,469		74		5,515
Inventories	26,604		6,414		2,792		35,810
Prepaid expenses and other current assets	547		1,757		538		2,842
Property, plant and equipment	408,610		34,791		30,654		474,055
Operating lease right-of-use assets	2,006		—		2,924		4,930
Intangible assets	53,800		7,900		—		61,700
Total assets	602,180		60,415		43,066		705,661
Accounts payable	36,810		5,287		2,591		44,688
Billings in excess of costs and estimated earnings on uncompleted contracts	10,293		483		168		10,944
Accrued expenses and other current liabilities	4,573		1,597		—		6,170
Operating lease liabilities	1,949		—		2,924		4,873
Total liabilities	53,625		7,367		5,683		66,675
Goodwill	426,332		68,333		17,101		511,766
Total cash consideration transferred	654,200		121,057		55,126		830,383
Fair value of Class A common stock transferred	236,250		—		—		236,250
Total consideration payable (receivable)	84,437		324		(642)		84,119
Total purchase price	$	974,887	$	121,381	$	54,484	$	1,150,752

Schedule of Pro Forma Revenues and Net Income

The following tables present pro forma revenues and net income as though the acquisitions had occurred on October 1, 2023 (unaudited, in thousands):

	For the Three Months Ended March 31,
	2025		2024
Pro forma revenues	$	576,559	$	528,138
Pro forma net income (loss)	$	5,059	$	(2,164)

	For the Six Months Ended March 31,
	2025		2024
Pro forma revenues	$	1,241,903	$	1,142,876
Pro forma net income	$	24,016	$	10,240