Compustat items #308: Operating Activities - Net Cash Flow (Statement of Cash Flows)
Compustat items #317: Income Taxes Paid (Statement of Cash Flows)
Compustat items #124: Extraordinary Items and Discontinued Operations (Statement of Cash Flows)
Other COMPUSTAT Annual Data Items: http://fmwww.bc.edu/ec-p/data/obsolete/compustat.ann.items.html