This excerpt taken from the DIS 10-K filed Dec 2, 2009.
On August 1, 2007, the Company acquired all of the outstanding shares of Club Penguin Entertainment, Inc. (Club Penguin), a Canadian company that operates clubpenguin.com, an online virtual world for children. The purchase price included upfront cash consideration of approximately $350 million and additional consideration of up to $350 million payable if Club Penguin achieved predefined earnings targets in calendar years 2008 and 2009. There have been no additional payments of consideration for Club Penguin. Remaining additional consideration of up to $175 million is potentially payable based on calendar year 2009 results.