Good news for Michigan workers--Perrigo is looking to hire. The generic drugmaker will announce plans today to hire 100 new employees at its Allegan complex. This is on top of 70 new hires in September. Perrigo has been one of the few Lakeshore companies who have been immune to the economic downturn, as sales and revenues have continued to grow, and its stock has been boosted by recall problems from its name-brand competitors. Story