Supreme Court backs flexibility for underfunded multiemployer plans calculating withdrawal liabilities Pensions & InvestmentsJustices agree that actuaries can use up-to-date assumptions in assessing costs of leaving a multi-employer pension plan SCOTUSblogSupreme Court hands employers a costly loss on multiemployer pension withdrawal liability hcamag.comSCOTUS News: Ruling clarifies calculation of ERISA withdrawal liability Rhode Island Lawyers WeeklySCOTUS Sides With Pension Fund in Withdrawal Liability Calculation Dispute JD Supra