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

5.  Property, Plant and Equipment

Property, plant and equipment include the following:

 

(in thousands)

 

December 30,

2017

 

 

December 31,

2016

 

Buildings

 

$

32,623

 

 

$

29,450

 

Machinery, equipment and tooling

 

 

97,701

 

 

 

87,175

 

Furniture, fixtures and leasehold improvements

 

 

4,319

 

 

 

4,248

 

Software and computer equipment

 

 

77,618

 

 

 

73,292

 

Total

 

 

212,261

 

 

 

194,165

 

Less-accumulated depreciation  and amortization

 

 

(119,569

)

 

 

(105,729

)

Property, plant and equipment, net

 

$

92,692

 

 

$

88,436

 

 

Depreciation and amortization expenses associated with property, plant, and equipment were $21.5 million, $18.7 million, and $15.9 million in fiscal 2017, fiscal 2016, and fiscal 2015, respectively.