Earnings season kicked off with a bang when shares of Starbucks (SBUX -1.34%) hit a new all-time high on Monday. Even though the coffee giant doesn't report third-quarter earnings until late July, the stock is up more than 25% year to date. Part of Starbucks' recent financial success, however, has to do with the price of coffee beans dropping over the past two years. Motley Fool analyst Matt Argersinger discusses Starbucks' ability to weather higher input costs and why its growth potential outside the U.S. means that shares still have room to run.