Can I download Blu-ray digital copies to more than one iTunes library?

I downloaded the digital copy of Paranormal Activity from the provided disc to itunes. After it finished downloading I rightclicked and selected Get Info. It says "Fairplay Version 3" What does this mean? Does this mean I can download this movie more than one time?

Also, if I can downloaded it more than once can I also downloaded it on my wife's laptop under her itunes account or is the code connected just to my account now.