People DO tend to become quite acclimated to what they "cut their teeth on". For that reason when I was still in my career I NEVER hired from the "competition" or a parallel market as both sides were, without exception, disappointed.
Just go back and say you've experienced a different path, have grown from it, and can bring back pearls of wisdom and are now a far greater asset to Target.
Period.
Don't grovel...just let 'em know.