SPRINGFIELD — Illinois Attorney General Lisa M. Madigan on Friday released a guidance for public bodies in the state on their obligations following the U.S. Supreme Court’s decision in Janus v. AFSCME. Last month, the high court ruled in Janus that nonunion government employees do not have to pay union fees to offset the cost of negotiating labor contracts and other activities the unions say benefit all employees.Madigan’s guidance said Janus doesn’t change any other rights or obligations regarding …