A sign stands outside of a McDonald's restaurant in San Francisco, California. (Photo by Justin Sullivan/Getty Images)Getty ImagesMcDonald’s (MCD) isn’t just serving up Big Macs—it’s dishing out serious cash to its investors. As the fast-food giant continues to balance global expansion with disciplined capital management, its shareholder returns tell a story few companies can match.Over the past ten years, MCD stock has delivered an impressive $81 Bil back to its shareholders in the form of cash through div ...