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Post-Retirement Benefit Plans | 12 Months Ended
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Dec. 31, 2020
Retirement Benefits [Abstract] |
Post-Retirement Benefits Plans | Post-Retirement Benefit Plans Retirement Indemnity Obligation – France French law requires the Company to provide for the payment of a lump sum retirement indemnity to French employees based upon years of service and compensation at retirement. The retirement indemnity has been actuarially calculated on the assumption of voluntary retirement at a government-defined retirement age. Benefits do not vest prior to retirement. Any actuarial gains or losses are recognized in the Company’s consolidated statements of income (loss) in the periods in which they occur. During the second quarter of 2019, the Company initiated a plan to substantially reduce all of its workforce at its Vénissieux, France site (“2019 French Restructuring”). As a result of this decision, the Company reversed the French retirement indemnity obligation and recorded a curtailment gain of $1,000 during the year ended December 31, 2019. At December 31, 2020, there are no future expected retirement indemnity benefits to be paid. See Note 19: Restructuring Costs.

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