Property, Plant, and Equipment

12 Months Ended

Sep. 30, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant, and Equipment

Property, plant, and equipment consists of the following:

	September 30, 2020			September 30, 2019
Machinery and equipment	$	357,650		$	316,390
Rental equipment	221,953			172,534
Land and buildings	70,245			64,165
Construction in process	48,325			40,599
	$	698,173		$	593,688
Less: accumulated depreciation	(333,712		)	(260,104		)
Property, plant, and equipment, net	$	364,461		$	333,584

The Company entered into secured financing agreements that require providing a security interest in specified equipment. As of September 30, 2020 and September 30, 2019, the gross and net amounts of those assets are as follows:

	September 30, 2020				September 30, 2019
	Gross		Net		Gross		Net
Machinery and equipment	$	63,305	$	52,620	$	48,288	$	42,162
Construction in process	8,098		8,098		2,531		2,531
	$	71,403	$	60,718	$	50,819	$	44,693

Depreciation expense and maintenance and repairs expense for the years ended September 30, 2020, 2019 and 2018 were as follows:

	Year Ended September 30,
	2020		2019		2018
Depreciation expense	$	73,002	$	66,031	$	59,017
Maintenance and repair expense	$	20,303	$	23,861	$	23,343