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Property, Plant and Equipment
 12 Months Ended
Sep. 30, 2017
Property Plant And Equipment [Abstract]  
Property, Plant and Equipment

9. Property, Plant and Equipment

Property, plant and equipment consisted of the following (in thousands):

 

 

 

AS OF SEPTEMBER 30,

 

 

 

2017

 

 

2016

 

 

2015

 

Land and land improvements

 

$

8,572

 

 

$

8,552

 

 

$

8,714

 

Building and building improvements

 

 

31,034

 

 

 

30,756

 

 

 

30,955

 

Machinery and equipment

 

 

53,185

 

 

 

51,034

 

 

 

44,905

 

Furniture and fixtures

 

 

1,352

 

 

 

1,323

 

 

 

1,260

 

Transportation equipment

 

 

31

 

 

 

28

 

 

 

29

 

Tools and molds

 

 

2,181

 

 

 

2,165

 

 

 

1,864

 

Leasehold improvements

 

 

-

 

 

 

-

 

 

 

43

 

Construction in progress

 

 

1,135

 

 

 

807

 

 

 

6,135

 

 

 

 

97,490

 

 

 

94,665

 

 

 

93,905

 

Accumulated depreciation and impairment

 

 

(60,091

)

 

 

(49,933

)

 

 

(45,196

)

 

 

$

37,399

 

 

$

44,732

 

 

$

48,709

 

 

Property, plant and equipment depreciation expense was $5.2 million, $5.4 million and $5.6 million in fiscal years 2017, 2016 and 2015, respectively.  Impairment expense of $5.3 million was incurred on certain equipment in fiscal year 2017.  The impairment expense is included as a component of cost of revenue in the consolidated statement of operations.