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STOCKHOLDERS' EQUITY (Tables)
3 Months Ended
Mar. 31, 2019
Equity [Abstract]  
Schedule of Common Stock [Table Text Block]
 
Three Months Ended
(In thousands)
March 31,
2019
 
March 31,
2018
Beginning balance
28,889

 
29,782

Common stock issued under employee stock plans
342

 
346

Repurchased
(121
)
 
(498
)
Ending balance
29,110

 
29,630

Dividends Declared and Paid [Table Text Block]
 
Three Months Ended
(In thousands, except per share amounts)
March 31,
2019
 
March 31,
2018
Dividends declared and paid
$
4,937

 
$
4,775

Dividends declared per common share
$
0.17

 
$
0.16