This is actually quite common. I've seen a variety of situations where a person was fired or laid off, but allowed to stay on for some time - usually a week or

This is actually quite common. I've seen a variety of situations where a person was fired or laid off, but allowed to stay on for some time - usually a week or two, although the most extreme one I personally saw was a guy who stayed for more than 6 months. (Nobody could figure out how to get him to leave and he was known and respected in the industry so they were reluctant to force him out.) I think the "escorted out by security" might be something that happens more in the movies and maybe some very large and impersonal companies. Haven't seen a lot of layoffs up close, but I kind of doubt it's the norm.