Stock in Scientific-Atlanta dropped 19 percent, or $6.60 a share, today following its quarterly earnings report on Thursday.

The company (NYSE: SFA) said it earned 28 cents a share, or $42.7 million. Overall revenues were $395.6 million, an increase of 27 percent over a year ago.

However, bookings for future sales of its cable TV hardware declined 24 percent from the most recent quarter. And its backlog of orders decreased 9 percent. Overall sales also declined slightly.