. 2022 transaction costs of $ 17.7 million was removed from net earnings for the year ended december 31 , 2015 and recognized as an expense in the year ended december 31 , other acquisitions we made a number of business acquisitions during the years 2014 and 2013 . in october 2014 , we acquired etex holdings , inc . ( 201cetex 201d ) . the etex acquisition enhanced our biologics portfolio through the addition of etex 2019s bone void filler products