Bwx Technologies Inc : BWXT subsidiary enters into share purchase agreement to acquire ge hitachi nuclear energy canada inc. . Terms of transaction are not being disclosed . Transaction is expected to be accretive within first year . Transaction is expected to favorably impact margins in nuclear energy segment . Following completion of transaction, geh-c would maintain its headquarters in peterborough, ontario . Following completion of transaction, geh-c activities would be operated as part of bwxt canada's overall commercial nuclear business .John Macquarrie, BWXT Canada's president, will lead combined co, Mark Ward, GEH-C's president expected to remain.