...DALLAS (Standard & Poor's) Jan. 30, 2015--Standard & Poor's Ratings Services assigned its '##-' long-term rating to the Michigan Finance Authority's $640.24 million series 2015MI bonds and $100.0 million series 2015MI(FRN) floating-rate notes, to the Idaho Health Facilities Authority's $169.61 million series 2015ID bonds, to Montgomery County, Md.'s $151.06 million series 2015MD bonds, and to CHE Trinity Health Credit Group, Mich.'s $350.0 million series 2015 taxable bonds, all issued for the CHE Trinity Health Credit Group. (doing business as Trinity Health). The outlook is stable. "The '##-' rating is based on our view of Trinity's group credit profile (GCP) and the obligated group's "core" status, so we accordingly rate the bonds at the same level as the GCP," said Standard & Poor's credit analyst Kevin Holloran. "The '##-' rating further reflects Trinity's national footprint, strong balance sheet, consistent financial performance, and strong management team," Mr. Holloran added. The...