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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2017
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
Changes in Product Warranty Reserve | Changes in the product warranty reserve are reflected in the following table (in thousands):
Balance at October 1, 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 |
Accruals for warranties issued during the year |  |  | 595 |
Settlements made (in cash or in kind) during the year |  |  | (2,529 | )
Balance at September 30, 2016 |  |  | 392 |
Accruals for warranties issued during the year |  |  | 770 |
Settlements made (in cash or in kind) during the year |  |  | (654 | )
Balance at September 30, 2017 |  | $ | 508 |

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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