Include accessory work at the beginning of a session with some different exercises. Landmine chops (shown here), medicine ball throws, and lateral step-ups/lunges are all movements that are extremely beneficial for developing overall strength and athleticism.
So you can squat 405 pounds and bench 315. Is that good? Does that make you strong? How do you compare to others? Find out if your lifts are decent, good, or great through Tim Henriques' handy little comparison chart.