From Jericho's official website:
"I eventually had my first match on Oct 2, 1990 in Ponoka, Alberta�.and on August 22, 2005 in Hampton, Virginia, I had my last match. For now. Yes it's true. After months of speculation and rumors and numerous decoys and red herrings being thrown about, the official news from the boss man (me) is that I am leaving the WWE." Jericho noted that after wrestling for 15 years, he was mentally burnt out and that he is a "goal oriented person who thrives on a challenge and I'm not challenged by wrestling at this point in time," noting that he has accomplished everything he ever wanted to do in the business.
Well...gotta say I'm kinda surprised. I fully expected that his departure was just a break, even when the rumors of him leaving first started. I certainly wish the guy the best but really hope he decides to come back at some point.
Knowing that he's gone for good though makes me wish he got a better send-off than the one he got on Raw last Monday, however.