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Property, Plant and Equipment (Tables)
 12 Months Ended
Sep. 30, 2018
Property, Plant and Equipment  
Components of property, plant and equipment

Significant components of property, plant and equipment are as follows (in thousands):

 

 

 

 

 

 

 

 

 

September 30,

    

2018

    

2017

 

 

 

 

 

 

 

 

 

Land and land improvements

 

$

13,132

 

$

16,139

 

Buildings and improvements

 

 

57,959

 

 

52,625

 

Machinery and other equipment

 

 

81,727

 

 

73,235

 

Software

 

 

84,631

 

 

62,297

 

Leasehold improvements

 

 

11,991

 

 

13,298

 

Construction and internal-use software development in progress

 

 

12,888

 

 

23,156

 

Accumulated depreciation and amortization

 

 

(144,782)

 

 

(127,530)

 

 

 

$

117,546

 

$

113,220