Sysco says in 'a good place' regarding U.S. Foods merger Sees cost synergies at a minimum of $600M. Says working with FTC in "very collaborative" way. Says weather impacted January, February, says March bounced back, saw "nice" sales growth. Says expects to remain acquisitive. Says would like to grow dividend at 40%-50% of earnings. Comments made at the Goldman Sachs Lodging, Gaming, Restaurant and Leisure Conference.