Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and intangible assets at December 31, 2016 and 2015 were (in millions):



	2016							2015
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Goodwill	$	9,481.4	$	(505.3	)	$	8,976.1	$	9,205.7	$	(529.3	)	$	8,676.4
Intangible assets:
Purchased and internally developed software	$	342.6	$	(270.2	)	$	72.4	$	310.5	$	(239.9	)	$	70.6
Customer related and other	862.4		(507.4		)	355.0		715.0		(440.8		)	274.2
	$	1,205.0	$	(777.6	)	$	427.4	$	1,025.5	$	(680.7	)	$	344.8

Changes in goodwill for the years ended December 31, 2016 and 2015 were (in millions):



	2016			2015
January 1	$	8,676.4		$	8,822.2
Acquisitions	311.7			35.3
Noncontrolling interests in acquired businesses	74.0			19.3
Contingent purchase price obligations of acquired businesses	152.8			90.1
Foreign currency translation and other	(238.8		)	(290.5		)
December 31	$	8,976.1		$	8,676.4