Superior Group of Companies has bought CID Resources Inc., a Texas company that is one of the largest provider of medical scrubs in the country. Superior paid $84.4 million in cash for CID, and issued nearly 151,000 shares of the company's stock, the company said in a filing Thursday with the U.S. Securities and Exchange Commission. CID Resources, based in Coppell, Texas, manufactures medical uniforms, lab coats and layers, and sells its products to specialty uniform retailers, e-commerce medical...