CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2025	Sep. 30, 2025
Current assets:
Cash and cash equivalents	$ 104,093	$ 156,062
Restricted cash	97	2,953
Contracts receivable including retainage, net	437,963	549,884
Costs and estimated earnings in excess of billings on uncompleted contracts	56,900	45,340
Inventories	170,019	155,133
Prepaid expenses and other current assets	40,045	25,459
Total current assets	809,117	934,831
Property, plant and equipment, net	1,253,035	1,153,070
Operating lease right-of-use assets	94,313	76,355
Goodwill	1,077,372	943,309
Intangible assets, net	78,438	79,230
Investment in joint venture	0	72
Restricted investments	21,108	23,176
Other assets	25,204	28,813
Total assets	3,358,587	3,238,856
Current liabilities:
Accounts payable	221,202	284,218
Billings in excess of costs and estimated earnings on uncompleted contracts	146,435	129,300
Current portion of operating lease liabilities	24,909	19,867
Current maturities of long-term debt	38,500	38,500
Accrued expenses and other current liabilities	77,185	110,163
Total current liabilities	508,231	582,048
Long-term liabilities:
Long-term debt, net of current maturities and deferred debt issuance costs	1,704,656	1,573,614
Operating lease liabilities, net of current portion	70,215	57,201
Deferred income taxes, net	78,934	80,079
Other long-term liabilities	27,404	33,951
Total long-term liabilities	1,881,209	1,744,845
Total liabilities	2,389,440	2,326,893
Commitments and contingencies
Stockholders’ equity:
Preferred stock, par value $0.001; 10,000,000 shares authorized and no shares issued and outstanding at December 31, 2025 and September 30, 2025	0	0
Additional paid-in capital	604,755	541,179
Accumulated other comprehensive income, net	3,195	4,369
Retained earnings	434,196	416,991
Total stockholders’ equity	969,147	911,963
Total liabilities and stockholders’ equity	3,358,587	3,238,856
Common Class A
Stockholders’ equity:
Common stock, value	48	47
Treasury stock, value	(56,226)	(34,589)
Common Class B
Stockholders’ equity:
Common stock, value	12	12
Treasury stock, value	$ (16,833)	$ (16,046)

Accrued expenses and other current liabilities.

No definition available.

Name:	road_AccruedExpensesAndOtherCurrentLiabilities
Namespace Prefix:	road_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).