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PENSION AND POSTRETIREMENT BENEFITS
 12 Months Ended
Dec. 31, 2023
Retirement Benefits [Abstract]  
PENSION AND POSTRETIREMENT BENEFITS PENSION AND POSTRETIREMENT BENEFITS
Defined Contribution Pension Plans
The Company offers defined contribution plans for its employees in certain countries including a 401(k) retirement plan covering substantially all of the Company’s U.S. employees. Employer contributions charged to expense for defined contribution benefit plans for the years ended December 31, 2023, 2022 and 2021, were $31.4 million, $29.0 million, and $21.3 million, respectively.
Defined Benefit Pension Plans
The Company sponsors defined benefit pension plans for its employees in certain countries as governed by local regulatory requirements. During the years ended December 31, 2023, 2022, and 2021, the Company recorded expense of $9.4 million, $8.3 million and $5.5 million, respectively, related to these plans.
As of December 31, 2023 and 2022, the amounts recognized in the Company's consolidated balance sheets for the Company's defined benefit pension plans, all of which were underfunded, were as follows:
 As of  
 December 31, 
 2023		As of  
 December 31, 
 2022
Liabilities recognized:
Accrued compensation and benefits expenses$998 $832 
Other noncurrent liabilities14,912 9,793 
Unfunded status$15,910 $10,625