U.S.-based flooring products manufacturer and distributor Mannington Mills Inc. plans to refinance its existing debt by issuing a new $275 million senior secured term loan. We are assigning our 'BB-' corporate credit rating to Mannington Mills Inc. At the same time, we are assigning our 'BB-' issue-level rating and '3' recovery rating to Mannington Mills' proposed senior secured term loan. The stable outlook reflects our view that Mannington Mills will maintain its favorable market position, good profit margins, and prudent financial policy. DALLAS (Standard&Poor's) Sept. 10, 2014--Standard&Poor's Ratings Services said today it assigned its 'BB-' corporate credit rating to Salem, N.J.-based Mannington Mills Inc. The outlook is stable. At the same time, we assigned our 'BB-'