DENVER-(BUSINESS WIRE)-Intrawest Resorts Holdings, Inc. (NYSE: SNOW), a leading North American mountain resort and adventure company, today announced that the applicable waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (HSR Act) has expired with respect to the proposed acquisition of Intrawest by a newly-formed entity controlled by affiliates of Aspen Skiing Company, L.L.C. ...