Property, Plant, and Equipment (Tables)

9 Months Ended

Jun. 30, 2020

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Estimated useful lives for major classes of depreciable assets are as follows:

Asset Class	Estimated Useful Life
Machinery and equipment	3 to 20 years
Buildings and improvements	10 to 40 years

Property, plant, and equipment consists of the following:

	June 30, 2020			September 30, 2019
Machinery and equipment	$	341,606		$	316,390
Rental equipment	201,379			172,534
Land and buildings	69,313			64,165
Construction in process	54,975			40,599
	667,273			593,688
Less: accumulated depreciation	(310,849		)	(260,104		)
	$	356,424		$	333,584

Depreciation expense and maintenance and repairs expense for the three and nine months ended June 30, 2020 and 2019 were as follows:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Depreciation expense	$	18,992	$	15,979	$	54,480	$	47,334
Maintenance and repair expense	4,601		6,144		15,915		18,192

Schedule of Financial Instruments Owned and Pledged as Collateral

	June 30, 2020				September 30, 2019
	Gross		Net		Gross		Net
Machinery and equipment	$	59,307	$	49,959	$	48,288	$	42,162
Construction in process	3,724		3,724		2,531		2,531
	$	63,031	$	53,683	$	50,819	$	44,693