Annual report pursuant to Section 13 and 15(d)

Business Acquisitions - Additional Information (Details)

v3.22.2.2
Business Acquisitions - Additional Information (Details)
$ in Thousands
 12 Months Ended
Aug. 02, 2021
USD ($)
Jul. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
acquisition
Sep. 30, 2021
USD ($)
plant
Sep. 30, 2020
USD ($)
acquisition
plant
Oct. 01, 2021
plant
Business Acquisition [Line Items]            
Goodwill     $ 129,465 $ 85,422 $ 46,348  
Goodwill expected to be deductible to tax purposes     92,500 $ 68,500    
Number of plants acquired | plant       5    
Number of manufacturing plants | plant         2  
Number of Plants Acquired | plant           3
Acquisition-related Costs            
Business Acquisition [Line Items]            
Interest expense     $ 800      
Acquisitions - Final            
Business Acquisition [Line Items]            
Number of businesses acquired | acquisition     3      
Total cash consideration transferred     $ 92,374 $ 130,059    
Goodwill     37,647 35,917    
General and administrative expenses     400      
North Carolina Acquisitions Provisional            
Business Acquisition [Line Items]            
Total cash consideration transferred     11,700      
Goodwill     7,400      
Goodwill expected to be deductible to tax purposes     6,600      
General and administrative expenses     100      
All Acquisitions for Fiscal Year            
Business Acquisition [Line Items]            
Number of businesses acquired | acquisition         2  
Total cash consideration transferred     129,736   $ 27,500  
Goodwill     45,300   $ 7,800  
Revenues since acquisition date     120,800      
Net income     900      
South Carolina Acquisition - Provisional            
Business Acquisition [Line Items]            
Total cash consideration transferred     25,646      
Goodwill     284      
Goodwill expected to be deductible to tax purposes     0      
General and administrative expenses     $ 300      
Purchase price allocation, maximum valuation period     1 year      
Alabama Acquisition            
Business Acquisition [Line Items]            
Total cash consideration transferred   $ 82,100   82,132    
Goodwill   $ 2,100   3,157    
North Carolina Acquisition - Goldston            
Business Acquisition [Line Items]            
Total cash consideration transferred $ 31,400          
Goodwill $ 2,400          
North Carolina Acquisitions            
Business Acquisition [Line Items]            
Total cash consideration transferred       98,700    
Goodwill       $ 33,300    
Number of Acquisitions During Period | acquisition     6