Frisch's Restaurants ( FRS), the operator of family-style restaurants under the names Frisch's Big Boy and Golden Corral, upped its payout by 15.4% to 15 cents per share, for a current yield of 3%. The new payout will be available Oct. 8 to shareholders of record on Sept. 20. >>Bankruptcy Watch: 20 Riskiest Restaurant StocksCascade ( CASC), the manufacturer of load engagement devices for the lift truck industry, increased its quarterly payout by 50% to 10 cents per share, payable Oct.14 to shareholders of record as of Sept. 29. The stock's current yield is 1.3%. Department store retailer Stage Stores ( SSI), which operates 750 stores in the U.S. under brands including Bealls, Goody's and Peebles, also upped its quarterly payout by 50% to 7.5 cents per share, its first dividend increase since 2006. It will be paid Sept. 22 to shareholders of record Sept. 7. Stage's current yield is 2.5%. MGE Energy ( MGEE), a utility stock engaged in generating, purchasing, transmitting, and distributing electricity, raised its quarterly dividend to 37.51 per share, up 1.8% from its prior payout and the firm's 35th annual dividend increase. It will be paid Sept. 15 to shareholders of record on Sept. 1. At current valuations the stock's yield is 3.9%. Convenience store operator Casey's General Stores ( CASY) upped its payout by 35% to 13.5 cents per share, for a current yield of 1.2%. The increased dividend will be paid Nov. 15 to shareholders of record on Nov. 1. BancFirst ( BANF), a regional bank, increased its dividend by 8.7% to 25 cents per share. It will be paid Oct. 15 to shareholders of record Sept. 30. At current valuations the stock's yield is 2.6%. G&K Services ( GKSR), which sells uniforms and other branded apparel and paraphernalia to a range of industries from automotive and energy to pharmaceutical and food processing companies, upped its payout by 26.7% to 9.5 cents per share. It will be paid Sept. 30 to shareholders of record on Sept. 16. That brings the stock's yield to 1.8%.