Employee Benefit Plans

12 Months Ended

Dec. 31, 2023

Retirement Benefits [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The Company offers various defined contribution plans for our U.S. and non-U.S. employees. Total defined contribution plan expense was $12.8 million, $13.4 million, and $13.0 million during the years ended December 31, 2023, 2022, and 2021, respectively.

ACI 401(k) Plan

The ACI 401(k) Plan is a defined contribution plan covering all domestic employees of the Company. Participants may contribute up to 75% of their annual eligible compensation up to a maximum of $22,500 (for employees who are under the age of 50 on December 31, 2023) or a maximum of $30,000 (for employees aged 50 or older on December 31, 2023). After one year of service, the Company matches 100% of the first 4% of eligible participant contributions and 50% of the next 4% of eligible participant contributions, not to exceed $5,000 per employee annually. Company contributions charged to expense were $5.0 million, $6.2 million, and $6.0 million during the years ended December 31, 2023, 2022, and 2021, respectively.

ACI Worldwide EMEA Group Personal Pension Scheme

The ACI Worldwide EMEA Group Personal Pension Scheme is a defined contribution plan covering substantially all ACI Worldwide (EMEA) Limited (“ACI-EMEA”) employees. For those ACI-EMEA employees who elect to participate in the plan, the Company contributes a minimum of 8.5% of eligible compensation to the plan for employees employed at December 1, 2000 or from 7% to 10% of eligible compensation for employees employed subsequent to December 1, 2000. ACI-EMEA contributions charged to expense were $1.7 million, $1.6 million, and $1.6 million, during the years ended December 31, 2023, 2022, and 2021, respectively.