If market conditions continue to be favorable, and we can sell more than our current target, we will. It's clear we're aggressively executing against our goals on both the operational and financial front. Where material, the impact of the non-core businesses on growth rates is noted. Same store sales refer to U.S. company stores only. Worldwide system sales for the core business were up one percent in the quarter.
System sales represent the combined sales of company, franchised, licensed and joint venture units.
Excluding the impact of currency translation, worldwide system sales increased four percent as new unit development and same store sales increases were partially offset by the adverse impact of store closures. Domestic system sales increased five percent while, excluding the impact of currency translation, international system sales increased three percent. As expected, worldwide revenues declined ten percent in the quarter. Revenues include company sales and franchise fees. Excluding the impact of currency translation, worldwide revenues declined eight percent.