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Restructuring (Tables)
 12 Months Ended
Dec. 31, 2019
Restructuring and Related Activities [Abstract]  
Restructuring and Related Costs, By Segment

We initiated various restructuring programs and incurred severance and other restructuring costs by segment as follows:
 
Years Ended December 31,
(in thousands)
2019
 
2018
 
2017
Production & Automation Technologies
$
4,467

 
$
5,632

 
$
6,921

Drilling Technologies
710

 
—

 
—

Total
$
5,177

 
$
5,632

 
$
6,921

 
Cost of goods and services
$
3,592

 
$
4,693

 
$
6,332

Selling, general and administrative expense
1,585

 
939

 
589

Total
$
5,177

 
$
5,632

 
$
6,921