Houghton Mifflin Harcourt’s corporate parent Education Media & Publishing Group has successfully refinanced more than $1 billion of their big debt load of $7.6 billion–but current shareholders face a dilution of about 45 percent as that debt is converted to equity. The financier who built this mountain of debt Barry O’Callaghan will see his own stake of 40 percent cut nearly in half and will lose his voting control. The company will save about $100 million in interest.FT The FT also reports today that HMH will forgo renewed attempts to sell its consumer book arm in the hopes of bolstering […]