MUSCATINE, IA -- HNI Corp. announced second quarter sales of $671.3 million, compared to $594.2 million during the same quarter last year. Net income was $28.7 million for the quarter, which ended July 1. Acquisitions completed during the first quarter, as well as acquisitions completed during 2005, accounted for $36 million of the increase in sales. Gross margins for the second quarter were 34.9% versus 36.1% for the same quarter last year. Read more.