Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2019

Accounting Policies [Abstract]

Property, Plant and Equipment Estimated Useful Life

Property, plant and equipment and rental equipment are stated at cost.  Depreciation expense is calculated using the straight-line method over the following estimated useful lives:

	Years
Rental equipment	2-5
Property, plant and equipment:
Machinery and equipment	3-15
Buildings and building improvements	10-50
Other	5-10

Schedule of Estimated Useful Lives of Other Intangible Assets

Amortization expense is calculated using the straight-line method over the following estimated useful lives:

	Years
Developed technology		18
Trade names		5
Customer relationships		4
Non-compete agreements		4

Changes in Product Warranty Reserve

Changes in the product warranty reserve are reflected in the following table (in thousands):

Balance at October 1, 2017	$	508
Accruals for warranties issued during the year		1,074
Settlements made (in cash or in kind) during the year		(894	)
Balance at September 30, 2018		688
Accruals for warranties issued during the year		386
Settlements made (in cash or in kind) during the year		(845	)
Balance at September 30, 2019	$	229