Roper Industries Inc., a Sarasota-based maker of medical products, will buy New Jersey-based Managed Health Care Associates for $1 billion in cash. MHA “supplies technology services to alternative health care providers such as pharmacies and assisted-living facilities,” Bloomberg News said. Earlier in the year, Roper bought Sunquest Information Systems Inc., a company that offers laboratory software to 1,700 hospitals nationwide. Brian Jellison, Roper’s chairman and CEO, called MHA “an…