STAMFORD, Conn.--(BUSINESS WIRE)--Silgan Holdings Inc. (Nasdaq:SLGN), a leading supplier of rigid packaging for shelf-stable food and other consumer goods products, today reported second quarter 2015 net income of $42.2 million, or $0.70 per diluted share, as compared to second quarter 2014 net income of $44.0 million, or $0.69 per diluted share. “As expected, our footprint optimization programs in each of our businesses impacted second quarter results as we delivered adjusted net income per di