M&A wrap: KBR, Centauri, Arlington, Halliburton, Sweaty Betty, L Catterton, EQT, Flexis, Core Industrial, Newlight

KBR buys national security and space contractor Centauri from Arlington, as it diversifies away from energy. L Catterton-backed activewear retailer Sweatty Betty is reportedly seeking buyers. EQT acquires data center operator. PE news from Flexis, Core Industrial and Newlight.