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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Sep. 30, 2013
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             

 

3-10

  

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, 2010             

$

  1,378

  

Accruals for warranties issued during the year             

 

  2,675

  

Settlements made (in cash or in kind) during the year             

 

(1,930

)

Balance at September 30, 2011             

 

  2,123

 

Accruals for warranties issued during the year             

 

  1,354

 

Settlements made (in cash or in kind) during the year             

 

(1,169

)

Balance at September 30, 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