I believe he's 83, so 10 yrs will probably be a life sentence, and good riddance to him IMHO.
Couldn't have happened to a sleazier guy.
Its worth noting that it was only after he stopped making money for Hollywood that he become vulnerable to justice.
While ensconced in the entertainment industry their protective mechanisms are just too efficient to allow any of their alphas to be bothered by "the little people's laws". They've even tried to make their "fixers" worthy of hero worship in highly stylized TV shows; see "Scandal" or "House of Lies".