The Public Employee Retirement System of Idaho, Boise, hired bond managers Bridgewater Associates, Fidelity Management Trust and Western Asset Management, said Robert Maynard, CIO of the $7.9 billion fund. Bridgewater will handle $250 million in international inflation-indexed securities, while Western Asset and Fidelity will run $200 million each in core plus, the fund's first investments in these areas. Funding for the new allocations came from caMercer Investment Consulting index funds. Mercer Investment Consulting aMercerve index funds. Mercer Investment Consulting assisted.