CHICAGO, IL — (Marketwired) — 06/10/13 — Oil-Dri Corporation of America (NYSE: ODC) announced today that it is implementing a 6% price increase for clay floor absorbent products to its janitorial supply customer base effective August 1, 2013. The price increase is the result of rising costs of mining and manufacturing, freight, healthcare and regulatory compliance.Oil-Dri® clay absorbents undergo a superior moisture extraction process that increases absorption power and minimizes dust. G