It's mainly a tax thing: to bring the offshore cash to the US, which it would have to do, it would have to pay income tax on it. The combination of deferring th

It's mainly a tax thing: to bring the offshore cash to the US, which it would have to do, it would have to pay income tax on it. The combination of deferring this tax and the reduced dividend payout which come from buying back their stock more than pays for the interest on the debt.