Quarterly report pursuant to Section 13 or 15(d)

Employee Defined Benefit Retirement Plans

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Employee Defined Benefit Retirement Plans
 9 Months Ended
Sep. 30, 2021
Retirement Benefits [Abstract]  
Employee Defined Benefit Retirement Plans Employee Defined Benefit Retirement Plans
Pension and Other Defined Benefit Retirement Obligations

In connection with the July 31, 2020 acquisition of the Wi-Fi and Broadband assets business (Note 3), the Company assumed an obligation of $7.9 million of the Wi-Fi and Broadband assets business associated with certain defined benefit retirement plans, including a pension plan. As of September 30, 2021 and December 31, 2020, the defined benefit obligation was $6.3 million and $6.4 million, respectively. The benefit is based on a formula applied to eligible employee earnings. Net periodic benefit costs were $0.1 million and $0.3 million for the three and nine months ended September 30, 2021, respectively, and were recorded to research and development expenses in the consolidated statements of operations. Net periodic benefit costs were $0.1 million for each of the three and nine months ended September 30, 2020, respectively, and were recorded to research and development expenses in the consolidated statements of operations.