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Discontinued Operations Discontinued Operations (Tables)
6 Months Ended
Jun. 30, 2020
Discontinued Operations and Disposal Groups [Abstract]  
Disposal Groups, Including Discontinued Operations [Table Text Block] Results of discontinued operations are summarized as follows (dollars in thousands):
 
 
Three months ended
June 30,
 
Six months ended
June 30,
 
 
2019
 
2019
Net sales
 
$
48,540

 
$
96,460

Cost of sales
 
(36,980
)
 
(71,870
)
Gross profit
 
11,560

 
24,590

Selling, general and administrative expenses
 
(7,510
)
 
(14,490
)
Operating profit
 
4,050

 
10,100

Other income, net
 
130

 
20

Income from discontinued operations, before income taxes
 
4,180

 
10,120

Income tax expense
 
(880
)
 
(2,280
)
Income from discontinued operations, net of tax
 
$
3,300

 
$
7,840