Construction Partners, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Equity-Based Compensation (Detail)

v3.19.3.a.u2

Equity-Based Compensation (Detail) - USD ($)		1 Months Ended			12 Months Ended
Equity-Based Compensation (Detail) - USD ($)	Feb. 23, 2018	Sep. 30, 2019	Aug. 31, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense					$ 400,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)	126,000
Exercises in period, weighted average (in dollars per share)	$ 0.04
Proceeds from sale of shares	$ 5,000
Compensation expense					500,000	$ 1,000,000.0
Shares issued in excess of purchase price (in shares)	$ 500,000
Grant date fair value (in dollars per share)	$ 7.78
Unrecognized compensation expense		$ 0			0	$ 0
Aggregate grant date fair value		3,800,000			$ 3,800,000
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercises in period, weighted average (in dollars per share)				$ 0.0357
Compensation expense		700,000
Class A Common Stock \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)					292,534
Unrecognized compensation expense		$ 3,200,000			$ 3,200,000
Class B Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)			74,592	768,984
Exercises in period, weighted average (in dollars per share)				$ 5.70
Treasury shares issued (in dollars per share)				$ 3.64
Treasury stock (in shares)				521,902
Sale of stock (in dollars per share)				$ 13.17
Options outstanding (in shares)				247,082
Exercise price recorded as additional paid-in capital				$ 4,400,000
Tax withholding, share-based payment arrangement				$ 2,500,000

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