This March 15, 2005, file photo shows ’American Idol’ producers Ken Warwick, left, and Nigel Lythgoe during a news conference in Los Angeles.
This March 15, 2005, file photo shows 'American Idol' producers Ken Warwick, left, and Nigel Lythgoe during a news conference in Los Angeles. Fox said Sunday, June 9, 2013, that longtime executive producers Nigel Lythgoe and Ken Warwick are exiting the singing contest. (Associated Press)