[["period", "total number of shares purchased ( 1 )", "average price paid per share ( 2 )", "total number of shares purchased as part of publicly announced plans orprograms", "approximate dollar value of shares that may yet be purchased under the plans orprograms ( in millions )"], ["october 2012", "27524", "$ 72.62", "27524", "$ 1300.1"], ["november 2012", "489390", "$ 74.22", "489390", "$ 1263.7"], ["december 2012", "102400", "$ 74.83", "102400", "$ 1256.1"], ["total fourth quarter", "619314", "$ 74