Carlson Wagonlit Travel will acquire Navigant International for $16.50 per share

, or about $510 million, in a deal expected to close in the second half of this year. The move coincides with a separate transaction in which JP Morgan Chase & Company's private equity affiliate One Equity Partners and Carlson Companies would acquire Accor's 50-percent ownership in Carlson Wagonlit Travel for $465 million, with OEP taking 45 percent and Carlson adding 5 percentage points to its existing 50-percent ownership.