Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2015

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

Changes in Product Warranty Reserve

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

Balance at October 1, 2012	$	2,308
Accruals for warranties issued during the year		681
Settlements made (in cash or in kind) during the year		(1,037	)
Balance at September 30, 2013		1,952
Accruals for warranties issued during the year		324
Settlements made (in cash or in kind) during the year		(1,325	)
Balance at September 30, 2014		951
Accruals for warranties issued during the year		4,984
Settlements made (in cash or in kind) during the year		(3,609	)
Balance at September 30, 2015	$	2,326