Company worked for was bought and we reciived w-2 for lump sum years pay in Wyoming. Was living in AZ when we received the check. Do we have to pay AZ taxes on this?

"My husband received a years pay in a lump sum when he his employer sold the company and the new company offered early retirement in Wyoming. He had several months of vacation to use and received the lump sum after we had moved to AZ. Do we have to pay AZ state taxes on this income?"