▁they ▁built ▁port ions ▁of ▁the ▁Ke ck ▁T eles cope ▁and ▁similar ▁projects . ▁ ▁During ▁the ▁same ▁period , ▁I tek ' s ▁Graph ic ▁Systems ▁division , ▁originally ▁supp lying ▁the ▁printing ▁systems , ▁had ▁greatly ▁divers ified . ▁ ▁Lit ton ▁purchase ▁In ▁ 1 9 8 2 ▁Lit ton ▁Indust ries ▁was ▁attempting ▁to ▁divers ify ▁their ▁military ▁hold ings , ▁and ▁engaged ▁Le h man ▁Brothers ▁to ▁ar range ▁the ▁purchase ▁of ▁a ▁company ▁special izing ▁in ▁electronic ▁war fare . ▁Le h man ▁found ▁a ▁number ▁of ▁companies ▁that ▁Lit ton ▁might ▁be ▁interested ▁in , ▁including ▁I tek , ▁present ing ▁a ▁report ▁on ▁ 2 0 ▁September ▁ 1 9 8 2 . ▁In ▁October , ▁Lit ton ▁started ▁purch asing ▁I tek ▁stock ▁in ▁the ▁market ▁in ▁an ▁effort ▁to ▁gain ▁control ▁of ▁about ▁ 4 . 9 % ▁of ▁the ▁common ▁shares ▁before ▁making ▁a ▁friendly ▁take over ▁offer . ▁ ▁On ▁ 2 3 ▁November ▁the ▁chair men ▁of ▁the ▁two ▁companies ▁met , ▁and ▁by ▁January ▁ 1 9 8 3 ▁the ▁negoti ations ▁had ▁progress ed ▁to ▁the ▁point ▁of ▁making ▁a ▁formal ▁offer . ▁At ▁the ▁advice ▁of ▁Le h man ▁Brothers , ▁Lit ton ▁made ▁an ▁offer ▁of ▁the ▁current ▁market ▁price ▁plus ▁a ▁ 5 0 % ▁prem ium . ▁During ▁this ▁period ▁the ▁value ▁of ▁I tek ▁stock ▁was ▁rising , ▁so ▁Lit ton ▁had ▁to ▁increase ▁their ▁offer ▁on ▁several ▁occasions . ▁On ▁