Fast food giants have been raising workers’ pay even before several November ballot initiatives expected to hike the minimum wage in multiple states.

Last week, Sonic Drive-In CEO Cliff Hudson said his company would improve sales by paying managers higher wages and hiring more full-time workers, according to Business Insider. While 95 percent of Sonic (NASDAQ: SONC) locations are franchises, the company wants to show franchisees that boosting wages is beneficial to customer service and employee retention, the report said.

Read more at the Denver Business Journal