By Rebecca Moore Source: PlanSponsor The 6th U.S. Circuit Court of Appeals has weighed in on one case in which an employer that withdrew from a multiemployer pension plan challenged the use of the so-called “Segal Blend” when calculating the amount of withdrawal liability the member employer owed the plan. In the case Sofco Erectors Inc. v. Trustees of the Ohio Operating Engineers Pension Fund, the appellate court noted that the interest-rate assumption is critical in withdrawal-liability calculations. A [...]