Our administrative assistant stole about 100K worth of stuff. She was basically tacking a bunch of stuff onto every order - Xboxes, big screen TV's, all sorts of stuff. They canned her and didn't bother pressing charges. Her husband actually works for the company as well and they kept him on because "they couldn't prove he knew anything about it".
If husband now pilfers 100K, he has a legal defense - They said it was okay!
ETA: Why would anything have to be proven before terminating the guy?
Who knows. They kept a guy on that fell asleep at his desk while on a support call with one of the execs, who later in the same day slept through a fire alarm drill because he came clean that he was on a coke binge. Guy told me that his drug tests came back positive for coke and they were all like "good thing you're honest - we thought you were on heroine or something". It's a strange place.