If you're talking about the Outback chain of restaurants (not the "Outback Restaurant" that's located in the Buena Vista Palace hotel on Hotel Plaza Blvd), I believe the bread is considered to be a honey wheat bread. Unfortunately, I'm not sure where, besides the Outback Steakhouse chain of restaurants, you can get that bread. However, there is a website that claims (haven't used it yet) to have a recipe that's very close to it. That site is
http://www.recipezaar.com/64435
The Outback Restaurant in the Buena Vista Palace is NOT part of the chain and, besides the name, has little to no similarity with the chain restaurants.
Enjoy the Magic!