Property and Equipment

12 Months Ended

Sep. 30, 2021

Property Plant And Equipment [Abstract]

Property and Equipment

. Property and Equipment

Property and equipment, net consists of the following:

	Useful Life		September 30, 2021		September 30, 2020
Land		—	$	42.2	$	40.0
Buildings and leasehold improvements	2-40 yrs.			38.6		30.3
Operating equipment	2-7 yrs.			239.1		208.2
Transportation vehicles	3-7 yrs.			288.4		262.8
Office equipment and software	3-10 yrs.			74.3		68.1
Construction in progress		—		4.1		5.0
Property and equipment				686.7		614.4
Less: Accumulated depreciation				422.3		362.9
Property and equipment, net			$	264.4	$	251.5

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 $84.7, $80.5 and $80.1 for the years ended September 30, 2021, September 30, 2020 and September 30, 2019, respectively.