Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details)

v3.22.2.2
Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Sep. 30, 2021
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross $ 762,558 $ 651,928
Accumulated depreciation, depletion and amortization (304,935) (250,803)
Construction in progress 23,789 3,707
Total property, plant and equipment, net 481,412 404,832
Construction equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 402,581 333,966
Plants    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 167,625 143,172
Land and improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 59,454 53,415
Mineral reserves    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 91,992 86,556
Buildings    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 32,566 27,163
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 7,110 6,426
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross $ 1,230 $ 1,230