Annual report pursuant to Section 13 and 15(d)

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

v3.22.2.2
Condensed Financial Statements of Parent Company - Comprehensive Income Statement (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Condensed Financial Statements, Captions [Line Items]      
General and administrative expenses $ (107,562) $ (91,878) $ (68,597)
Interest expense, net (7,701) (2,404) (3,113)
Gain on sale of equipment, net 3,673 2,043 1,616
Other income 600 819 336
Income before provision for income taxes and earnings from investment in joint venture 28,312 28,516 52,454
Income tax benefit (6,915) (8,349) (12,760)
Net income 21,376 20,177 40,297
Other comprehensive (loss), net of tax      
Unrealized gain (loss) on interest rate swap contract, net 18,091 (23) 0
Unrealized (loss) on restricted investments, net (448) 0 0
Comprehensive income $ 39,019 $ 20,154 $ 40,297
Net income per share attributable to common stockholders:      
Basic (in dollars per share) $ 0.41 $ 0.39 $ 0.78
Diluted (in dollars per share) $ 0.41 $ 0.39 $ 0.78
Weighted average number of common shares outstanding:      
Basic (in shares) 51,773,559 51,636,955 51,489,211
Diluted (in shares) 51,957,420 51,773,213 51,636,934
Construction Partners Inc | Parent Company      
Condensed Financial Statements, Captions [Line Items]      
Equity in net income of subsidiaries $ 24,690 $ 25,505 $ 43,712
General and administrative expenses (4,758) (6,399) (4,167)
Interest expense, net 68 834 (1,218)
Gain on sale of equipment, net 6 0 0
Other income 13 3 0
Income before provision for income taxes and earnings from investment in joint venture 20,019 19,943 38,327
Income tax benefit 1,357 234 1,970
Net income 21,376 20,177 40,297
Other comprehensive (loss), net of tax      
Unrealized gain (loss) on interest rate swap contract, net 18,091 (23) 0
Unrealized (loss) on restricted investments, net (448) 0 0
Other comprehensive income (loss) 17,643 (23) 0
Comprehensive income $ 39,019 $ 20,154 $ 40,297
Net income per share attributable to common stockholders:      
Basic (in dollars per share) $ 0.41 $ 0.39 $ 0.78
Diluted (in dollars per share) $ 0.41 $ 0.39 $ 0.78
Weighted average number of common shares outstanding:      
Basic (in shares) 51,773,559 51,636,955 51,489,211
Diluted (in shares) 51,957,420 51,773,213 51,636,934