Net revenue grew 5% to $382 million, with a segment margin of 18%, up 40 basis points year over year. He also said Tetra Tech repurchased $50 million of stock during the quarter and had $548 million remaining under approved buyback plans. Second-quarter guidance calls for net revenue of $975 million to $1.025 billion and adjusted EPS of $0.30 to $0.33. Full-year guidance was raised to net revenue of $4.15 billion to $4.3 billion and adjusted EPS of $1.46 to $1.56. About Tetra Tech (NASDAQ:TTEK)Tetra Tech, Inc is a leading provider of consulting and engineering services with a focus on water, environment, infrastructure, resource management and energy sectors.