Goodwill and Other Intangible Assets (Details) $ in Millions	9 Months Ended
	Sep. 30, 2015 USD ($) segment	Sep. 30, 2015 USD ($) item	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Goodwill
Goodwill	$ 2,706.3	$ 2,706.3	$ 2,706.3	$ 2,616.7
Increase in goodwill, primarily as a result of an acquisition			89.6
Number of reportable business segments	2	2
Goodwill impairment			0.0
Interconnect Products and Assemblies
Goodwill
Goodwill	$ 2,582.6	$ 2,582.6	2,582.6
Number of acquisitions | item		3
Goodwill offset by currency translation			$ 63.7