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Retirement Plans (Tables)
9 Months Ended
Sep. 30, 2022
Retirement Benefits [Abstract]  
Components Of Net Periodic Pension Cost (Income)
The components of net periodic pension cost (income) of the UK Plan for the three and nine months ended September 30, 2022 and 2021 were as follows (in thousands): 
 For the three months ended
September 30,
For the nine months ended
September 30,
 2022202120222021
Interest cost$1,344 $1,333 $4,325 $4,019 
Expected return on plan assets(2,856)(3,185)(9,182)(9,600)
Amortization of unrecognized loss490 911 1,574 2,746 
Net periodic pension cost (income)$(1,022)$(941)$(3,283)$(2,835)