( a ) total debt includes scheduled principal payments only . ( b ) included in these amounts are $ 76 million of lease obligations related to discontinued operations and businesses held for sale that are due as follows : 2007 - $ 23 million ; 2008 - $ 19 million ; 2009 - $ 15 million ; 2010 - $ 7 million ; 2011 - $ 5 million ; and thereafter - $ 7 million . ( c ) included in these amounts are $ 1