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Retirement Plans (Tables)
3 Months Ended
Mar. 31, 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 months ended March 31, 2022 and 2021 were as follows (in thousands): 
 For the three months ended
March 31,
 20222021
Interest cost$1,529 $1,336 
Expected return on plan assets(3,244)(3,192)
Amortization of unrecognized loss556 913 
Net periodic pension cost (income)$(1,159)$(943)