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STOCKHOLDERS' EQUITY (Tables)
9 Months Ended
Sep. 30, 2019
Equity [Abstract]  
Schedule of Common Stock [Table Text Block]
 
Three Months Ended
 
Nine Months Ended
(In thousands)
September 30,
2019
 
September 30,
2018
 
September 30,
2019
 
September 30,
2018
Beginning balance
29,330

 
29,421

 
28,889

 
29,782

Common stock issued under employee stock plans
89

 
59

 
651

 
630

Repurchased

 
(152
)
 
(121
)
 
(1,084
)
Ending balance
29,419

 
29,328

 
29,419

 
29,328


Dividends Declared and Paid [Table Text Block]
 
Three Months Ended
 
Nine Months Ended
(In thousands, except per share amounts)
September 30,
2019
 
September 30,
2018
 
September 30,
2019
 
September 30,
2018
Dividends declared and paid
$
4,999

 
$
4,692

 
$
14,916

 
$
14,172

Dividends declared per common share
$
0.17

 
$
0.16

 
$
0.51

 
$
0.48