Revenue during the quarter grew 6.47 percent to $221.62 million from $208.15 million in the previous year period. Gross margin for the quarter expanded 132 basis points over the previous year period to 40.04 percent. Total expenses were 79.68 percent of quarterly revenues, down from 81.30 percent for the same period last year. This has led to an improvement of 162 basis points in operating margin to 20.32 percent.

Operating income for the quarter was $45.04 million, compared with $38.93 million in the previous year period.

"We are pleased with our first quarter results and I want to thank all of our contributors who enabled us to deliver another very good quarter. Sales growth met our expectations and sound execution enabled us to deliver substantial bottom line leverage on the sales growth. Our New Product engine remains strong and we remain confident in our ability to deliver solid organic growth this year. In the quarter, we launched 1,290 new unique SKU’s, a 17% increase over the first quarter of 2016. In addition, while our Dorman HD Solutions offering is still a relatively small part of the overall business, we remain pleased with our progress, with sales growing 24% year over year. We continue to invest in our Complex Electronics capabilities, with sales in these lines up 20% year over year. Our outlook for the business remains positive. As a result, our previously issued full year 2017 revenue guidance remains in the mid to high single digit growth range while net income growth is expected to be in the high single to low double digit range" said Matt Barton, president and chief executive officer.