[["( millions )", "global industrial", "global institutional", "global energy", "other", "total"], ["december 31 2015", "$ 2560.8", "$ 662.7", "$ 3151.5", "$ 115.8", "$ 6490.8"], ["segment change ( a )", "62.7", "-62.7 ( 62.7 )", "-", "-", "-"], ["december 31 2015 revised", "$ 2623.5", "$ 600.0", "$ 3151.5", "$ 115.8", "$ 6490.8"], ["current year business combinations ( b )", "-", "3.1", "0.6", "-", "3.7"], ["prior year business combinations ( c )", "3.5", "-", "0.1", "-", "3