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IDEXX Retirement and Incentive Savings Plan
12 Months Ended
Dec. 31, 2021
Retirement Benefits [Abstract]  
IDEXX Retirement and Incentive Savings Plan IDEXX RETIREMENT AND INCENTIVE SAVINGS PLAN
We have established the IDEXX Retirement and Incentive Savings Plan (the “401(k) Plan”). U.S. employees eligible to participate in the 401(k) Plan may contribute specified percentages of their salaries. We match a portion of these contributions, not to exceed 5% of participants’ eligible compensation. We matched $25.8 million, $23.4 million, and $21.1 million for the years ended December 31, 2021, 2020, and 2019, respectively. In addition, we may make contributions to the 401(k) Plan at the discretion of the Board of Directors. There were no discretionary contributions in 2021, 2020 or 2019.

We also have established defined contribution plans for regional employees in Europe and in Canada. With respect to these plans, our contributions over the past three years have not been material.