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Retirement Plans (Tables)
 12 Months Ended
Dec. 31, 2021
Retirement Benefits [Abstract]  
Domestic Retirement Plan's Financial Status and Amounts Recognized in Consolidated Balance Sheets The following table sets forth the U.S. Retirement Plan’s financial status and the amounts recognized in our consolidated balance sheets:
December 31,20212020
Change in benefit obligation
Benefit obligation, beginning of year$57,384 $53,602 
Interest cost1,080 1,420 
Actuarial loss (gain)(4,462)6,632 
Benefits paid(3,758)(4,270)
Benefit obligation, end of year$50,244 $57,384 
Change in plan assets
Fair value of plan assets, beginning of year$— $— 
Employer contribution3,758 4,270 
Benefits paid(3,758)(4,270)
Fair value of plan assets, end of year$— $— 
Funded status, end of year$(50,244)$(57,384)
Amounts recognized in the consolidated balance sheets
Other current liabilities$(3,649)$(3,933)
Other liabilities(46,595)(53,451)
Accumulated other comprehensive loss19,831 25,492 
Net amount recognized$(30,413)$(31,892)
Accumulated benefit obligation$50,244 $57,384 
Weighted average assumptions used to determine benefit obligation
Discount rate2.43 %1.95 %
Rate of increase in compensation levelsN/AN/A
Components of Net Periodic Benefit Cost for Domestic Retirement Plan The components of net periodic benefit cost for the U.S. Retirement Plan were as follows:
Year ended December 31,202120202019
Interest cost$1,080 $1,420 $1,858 
Recognized net actuarial loss1,199 872 1,065 
Net periodic benefit cost$2,279 $2,292 $2,923 
Weighted average assumptions used to determine net periodic benefit cost
Discount rate1.95 %2.75 %4.00 %
Rate of increase in future compensation levelsN/AN/AN/A
Amounts Recognized As Component of Accumulated Other Comprehensive Loss, Domestic
Year ended December 31,20212020
Net actuarial loss$(19,831)$(25,492)
Deferred tax benefit9,571 9,552 
Amounts included in accumulated other comprehensive loss, net of tax$(10,260)$(15,940)
Expected Benefit Payments Required For Domestic Retirement Plan As of December 31, 2021, the expected benefit payments required for each of the next five years and the five-year period thereafter for the U.S. Retirement Plan were as follows:
Year 
2022$3,627 
20233,501 
20243,372 
20253,238 
20263,084 
2027-203113,210