Annual report pursuant to Section 13 and 15(d)

Condensed Financial Statements of Parent Company - Comprehensive Income Statement (Details)

v3.23.3
Condensed Financial Statements of Parent Company - Comprehensive Income Statement (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2021
Condensed Financial Statements, Captions [Line Items]      
General and administrative expenses $ (126,947) $ (107,562) $ (91,878)
Interest expense, net (17,346) (7,701) (2,404)
Gain on sale of property, plant and equipment 7,048 3,673 2,043
Other income 875 600 819
Income before provision for income taxes and earnings from investment in joint venture 65,404 28,312 28,516
Income tax benefit (16,403) (6,915) (8,349)
Net income 49,001 21,376 20,177
Other comprehensive (loss), net of tax      
Unrealized gain (loss) on interest rate swap contract, net 1,297 18,091 (23)
Unrealized (loss) on restricted investments, net (223) (448) 0
Net OCI changes 1,074 17,643 (23)
Comprehensive income $ 50,075 $ 39,019 $ 20,154
Net income per share attributable to common stockholders:      
Basic (in dollars per share) $ 0.95 $ 0.41 $ 0.39
Diluted (in dollars per share) $ 0.94 $ 0.41 $ 0.39
Weighted average number of common shares outstanding:      
Basic (in shares) 51,827,001 51,773,559 51,636,955
Diluted (in shares) 52,260,206 51,957,420 51,773,213
Construction Partners Inc | Parent Company      
Condensed Financial Statements, Captions [Line Items]      
Equity in net income of subsidiaries $ 50,899 $ 24,690 $ 25,505
General and administrative expenses (2,535) (4,758) (6,399)
Interest expense, net (24) 68 834
Gain on sale of property, plant and equipment 0 6 0
Other income 4 13 3
Income before provision for income taxes and earnings from investment in joint venture 48,344 20,019 19,943
Income tax benefit 657 1,357 234
Net income 49,001 21,376 20,177
Other comprehensive (loss), net of tax      
Unrealized gain (loss) on interest rate swap contract, net 1,297 18,091 (23)
Unrealized (loss) on restricted investments, net (223) (448) 0
Net OCI changes 1,074 17,643 (23)
Comprehensive income $ 50,075 $ 39,019 $ 20,154
Net income per share attributable to common stockholders:      
Basic (in dollars per share) $ 0.95 $ 0.41 $ 0.39
Diluted (in dollars per share) $ 0.94 $ 0.41 $ 0.39
Weighted average number of common shares outstanding:      
Basic (in shares) 51,827,001 51,773,559 51,636,955
Diluted (in shares) 52,260,206 51,957,420 51,773,213