 Teledyne Technologies Inc. has agreed to acquire Flir Systems Inc. in a cash-and-stock deal valued at about 8 billion. Under the terms of the deal, Flir shareholders will receive 28 in cash and 0.0718 shares of Teledyne for each share owned, equal to a total purchase price of 56 per Flir share, based on Teledynes 5-day volume weighted average price as of December 31. 