Property and Equipment, net

6 Months Ended

Mar. 31, 2025

Property, Plant and Equipment [Abstract]

5. Property and Equipment, net

Property and equipment, net consists of the following:


	Useful Life	March 31, 2025		September 30, 2024
Land	—	$	42.9	$	42.9
Buildings and leasehold improvements	2-40 yrs.		47.1		46.7
Operating equipment	2-7 yrs.		402.4		388.3
Transportation vehicles	3-7 yrs.		417.9		403.1
Office equipment and software	3-10 yrs.		53.9		48.6
Construction in progress	—		4.3		4.9
Property and equipment			968.5		934.5
Less: Accumulated depreciation			564.0		542.6
Property and equipment, net		$	404.5	$	391.9

Construction in progress includes costs incurred for software and other assets that have not yet been placed in service. Depreciation expense related to property and equipment was $31.8 and $26.1 for the three months ended March 31, 2025 and 2024, respectively. Depreciation expense related to property and equipment was $62.3 and $51.7 for the six months ended March 31, 2025 and 2024, respectively.