Goodwill represents the excess of the purchase price over the fair value of net assets of businesses acquired. The carrying amount of goodwill was $249.9 million as of December 31, 2015 and $255.6 million as of December 31, 2014. Goodwill decreased for the year ended December 31, 2015 due primarily to currency conversion of foreign goodwill. The carrying amount of goodwill in foreign countries was $36.9 million as of December 31, 2015 and $42.7 million as of December 31, 2014. The changes in the carrying amount of goodwill for the twelve months ended December 31, 2015 and 2014 are as follows: