.25 billion program which expires december 31 , 2009 . we have a five year $ 1350 million revolving , multi- currency , senior unsecured credit facility maturing november 30 , 2012 ( the 201csenior credit facility 201d ) . we had $ 460.1 million outstanding under the senior credit facility at december 31 , 2008 , and an availability of $ 889.9 million