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EMPLOYEE BENEFIT PLANS
 6 Months Ended
Jun. 30, 2023
Retirement Benefits [Abstract]  
Pension and Other Postretirement Benefits Disclosure [Text Block] EMPLOYEE BENEFIT PLANS
The Company has three frozen defined benefit pension plans covering certain employees or former employees of three U.S. subsidiaries. The Company also has pension plans covering certain employees of several foreign subsidiaries. The Company also sponsors a number of defined contribution plans in the U.S. and at foreign subsidiaries. The Company contributed approximately $0.1 million to the pension plans during the six months ended June 30, 2023 and no amounts are expected to be contributed to the pension plans during the remainder of 2023.

The components of net periodic pension cost consisted of the following for the periods set forth below (amounts in thousands):
Three months endedSix months ended
June 30,June 30,
2023202220232022
Service cost$113 $244 $219 $1,172 
Interest cost1,048 717 2,075 1,434 
Expected return on assets(1,167)(1,518)(2,334)(3,036)
Amortization of unrecognized prior service cost(18)(16)(33)(32)
Amortization of net unrecognized loss (gain)238 (7)478 (13)
   Net periodic pension cost$214 $(580)$405 $(475)
Service cost is recorded as cost of sales in the Condensed Consolidated Statements of Operations while all other components are recorded in other income.