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STOCKHOLDERS' EQUITY (Tables)
 9 Months Ended
Sep. 30, 2020
Equity [Abstract]  
Schedule of Common Stock [Table Text Block]
Three Months EndedNine Months Ended
(In thousands)September 30,
2020		September 30,
2019		September 30,
2020		September 30,
2019
Beginning balance59,752 58,660 58,862 57,778 
Common stock issued under employee stock plans103 178 1,057 1,302 
Repurchased— — (64)(242)
Ending balance59,855 58,838 59,855 58,838 
Dividends Declared and Paid [Table Text Block]
Three Months EndedNine Months Ended
(In thousands, except per share amounts)September 30,
2020		September 30,
2019		September 30,
2020		September 30,
2019
Dividends declared and paid$6,582 $4,999 $18,497 $14,916 
Dividends declared per common share$0.110 $0.085 $0.310 $0.255