Canfor's Swedish subsidiary, Vida Group, has completed a purchase of three sawmills in the Scandanavian country.  The company confirmed the acquisition in a brief notice issued Tuesday.  It follows on a June 17 announcement that Vida entered an agreement to buy the mills for $43 million plus working capital.  Purchased from Bergs Timber, they are located in Vimmerby, Mrlunda and Orrefors, Sweden, and will add about 215 million board feet to Vida's annual capacity.  With additional investment, Vida anticipates the production capacity of the mills can be increased to 300 ...