Reportable Business Segments (Details) $ in Millions	3 Months Ended
Mar. 31, 2016 USD ($) segment	Mar. 31, 2015 USD ($)
Reportable Business Segments
Number of reportable business segments \| segment	2
Segment reporting information
Net sales	$ 1,451.2	$ 1,327.1
Segment operating income	239.4	260.2
Operating Segment
Segment reporting information
Net sales	1,451.2	1,327.1
Segment operating income	292.3	281.2
Operating Segment \| Interconnect Products and Assemblies
Segment reporting information
Net sales	1,367.8	1,242.7
Segment operating income	281.2	271.0
Operating Segment \| Cable Products and Solutions
Segment reporting information
Net sales	83.4	84.4
Segment operating income	11.1	10.2
Intersegment
Segment reporting information
Net sales	7.9	7.4
Intersegment \| Interconnect Products and Assemblies
Segment reporting information
Net sales	1.6	2.3
Intersegment \| Cable Products and Solutions
Segment reporting information
Net sales	$ 6.3	$ 5.1

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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- Definition

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

+ References

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- Definition

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=26872669&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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