Reportable Business Segments (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2016 USD ($) segment	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) segment	Jun. 30, 2015 USD ($)
Segment reporting information
Number of reportable business segments \| segment	2		2
Net sales	$ 1,548.2	$ 1,351.5	$ 2,999.4	$ 2,678.6
Segment operating income	300.3	260.7	539.8	520.9
Operating Segment
Segment reporting information
Net sales	1,548.2	1,351.5	2,999.4	2,678.6
Segment operating income	322.7	287.6	614.9	568.8
Operating Segment \| Interconnect Products and Assemblies
Segment reporting information
Net sales	1,456.0	1,268.7	2,823.8	2,511.3
Segment operating income	309.0	277.9	590.1	548.8
Operating Segment \| Cable Products and Solutions
Segment reporting information
Net sales	92.2	82.8	175.6	167.3
Segment operating income	13.7	9.7	24.8	20.0
Intersegment
Segment reporting information
Net sales	8.4	6.9	16.4	14.2
Intersegment \| Interconnect Products and Assemblies
Segment reporting information
Net sales	1.9	1.9	3.5	4.1
Intersegment \| Cable Products and Solutions
Segment reporting information
Net sales	$ 6.5	$ 5.0	$ 12.9	$ 10.1

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net result for the period of deducting operating expenses from operating revenues.

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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