[["", "liability as of january 1 2004", "2004 expense", "2004 cash payments", "liability as of december 31 2004", "2005 expense", "2005 cash payments", "liability as of december 31 2005", "2006 expense", "2006 cash payments", "liability as of december 31 2006"], ["employee separations", "$ 2239", "$ 823", "$ -2397 ( 2397 )", "$ 665", "$ 84", "$ -448 ( 448 )", "$ 301", "$ -267 ( 267 )", "$ -34 ( 34 )", "$ 0"], ["lease terminations and other facility closing costs", "1450", "-131 ( 131 )", "-888 ( 888 )",