Arby's former CEO is building a fast-food empire

Arby's parent company, Inspire Brands, announced plans to acquire burger chain Sonic in a $2.3 billion deal on September 25. 
With the deal, Inspire Brands' portfolio — which also includes Buffalo Wild Wings and Rusty Taco — will comprise more than 8,000 locations with combined system sales exceeding $12 billion. 
Here's how the new restaurant empire is shaping up. Arby's parent company Inspire Brands is creating a fast-food empire. 
On September 25, Inspire Brand