Goodwill and Other Intangible Assets (Details) $ in Millions	6 Months Ended
	Jun. 30, 2015 USD ($) item	Dec. 31, 2014 USD ($)
Goodwill
Goodwill	$ 2,709.0	$ 2,616.7
Increase in goodwill, primarily as a result of an acquisition	92.3
Interconnect Products and Assemblies
Goodwill
Goodwill	2,585.3
Goodwill offset by currency translation	$ 46.6
Number of acquisitions | item	3