This merger will result in a strong company with dividend increases to accompany great stock price appreciation. The $3 billion estimated tax savings can be paid out to shareholders after merger is completed.
Clip from phily pharma:
"The company said it expected to derive about $100 million in benefit because it elected to use rules in section 338(h)(10) of the tax code, which involve purchasing at least 80 percent of the shares of the target company."
Side note: LCI was an acquisition target in the past and could be so again.