CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2026	Sep. 30, 2025
Current assets:
Cash and cash equivalents	$ 94,547	$ 156,062
Restricted cash	112	2,953
Contracts receivable including retainage, net	593,468	549,884
Costs and estimated earnings in excess of billings on uncompleted contracts	60,849	45,340
Inventories	185,273	155,133
Prepaid expenses and other current assets	27,024	25,459
Total current assets	961,273	934,831
Property, plant and equipment, net	1,295,692	1,153,070
Operating lease right-of-use assets	104,845	76,355
Goodwill	1,139,332	943,309
Intangible assets, net	74,368	79,230
Investment in joint venture	0	72
Restricted investments	10,870	23,176
Other assets	25,628	28,813
Total assets	3,612,008	3,238,856
Current liabilities:
Accounts payable	319,886	284,218
Billings in excess of costs and estimated earnings on uncompleted contracts	149,337	129,300
Current portion of operating lease liabilities	30,340	19,867
Current maturities of long-term debt	41,500	38,500
Accrued expenses and other current liabilities	72,950	110,163
Total current liabilities	614,013	582,048
Long-term liabilities:
Long-term debt, net of current maturities and deferred debt issuance costs	1,744,666	1,573,614
Operating lease liabilities, net of current portion	75,078	57,201
Deferred income taxes, net	102,279	80,079
Other long-term liabilities	35,236	33,951
Total long-term liabilities	1,957,259	1,744,845
Total liabilities	2,571,272	2,326,893
Stockholders’ equity:
Preferred stock, par value $0.001; 10,000,000 shares authorized and no shares issued and outstanding at June 30, 2026 and September 30, 2025	0	0
Additional paid-in capital	615,510	541,179
Accumulated other comprehensive income, net	2,642	4,369
Retained earnings	502,931	416,991
Total stockholders’ equity	1,040,736	911,963
Total liabilities and stockholders’ equity	3,612,008	3,238,856
Class A Common Stock
Stockholders’ equity:
Common stock	48	47
Treasury stock	(63,574)	(34,589)
Class B Common Stock
Stockholders’ equity:
Common stock	12	12
Treasury stock	$ (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).