BOULDER, Colo.--(BUSINESS WIRE)--Zayo Group, LLC (“Zayo”), a subsidiary of Zayo Group Holdings, Inc. (NYSE:ZAYO), an international provider of Bandwidth Infrastructure services, announced today that, effective January 1, 2015, it has closed its previously announced acquisition of the carrier and enterprise segment of Buhler, Kan. based IdeaTek Systems Inc. (“IdeaTek”). IdeaTek will retain its residential and small-business divisions, and will continue to operate under the name IdeaTek Telecom,