Property and Equipment, net

3 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

5. Property and Equipment, net

Property and equipment, net consists of the following:


	Useful Life	December 31, 2022		September 30, 2022
Land	—	$	43.3	$	43.3
Buildings and leasehold improvements	2-40 yrs.		47.3		46.3
Operating equipment	2-7 yrs.		325.1		302.4
Transportation vehicles	3-7 yrs.		344.5		339.8
Office equipment and software	3-10 yrs.		75.6		75.1
Construction in progress	—		6.3		5.7
Property and equipment			842.1		812.6
Less: Accumulated depreciation			502.9		484.3
Property and equipment, net		$	339.2	$	328.3

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 $27.1 and $21.4 for the three months ended December 31, 2022 and 2021, respectively.