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EMPLOYEE BENEFIT PLANS Schedule of Net Benefit Costs (Tables)
6 Months Ended
Jun. 30, 2018
Postemployment Benefits [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]
The following table sets forth the components of net periodic benefit costs for the defined benefit plans:
 
Three Months Ended
 
Six Months Ended
 
June 30
 
June 30
(In thousands)
2018
 
2017
 
2018
 
2017
Service cost
$
1,312

 
$
1,049

 
$
2,659

 
$
2,116

Interest cost
1,039

 
945

 
2,105

 
1,907

Expected return on plan assets
(1,500
)
 
(1,343
)
 
(3,040
)
 
(2,711
)
Recognized actuarial gain
(12
)
 
(48
)
 
(24
)
 
(97
)
Net periodic benefit cost
$
839

 
$
603

 
$
1,700

 
$
1,215