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Property, Plant, and Equipment, Net
 12 Months Ended
Dec. 28, 2019
Property, Plant and Equipment [Abstract]  
Property, Plant, and Equipment, Net Property, Plant, and Equipment, Net

(In thousands)
 
2019
 
2018
 
 
 
 
 
Land and land improvements
 
$
31,987

 
$
32,132

Buildings
 
203,762

 
201,176

Machinery and equipment
 
640,642

 
635,173

Construction in progress
 
18,920

 
22,618

 
 
 
 
 
 
 
895,311

 
891,099

Less accumulated depreciation
 
(532,183
)
 
(520,466
)
 
 
 
 
 
Property, plant, and equipment, net
 
$
363,128

 
$
370,633



Depreciation expense for property, plant, and equipment was $37.3 million in 2019, $35.1 million in 2018, and $30.8 million in 2017.