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Reportable Business Segments, Segment Results (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) segment | Jun. 30, 2018 USD ($)
Segment reporting information |  |  |  |
Number of reportable business segments | segment |  |  | 2 |
Net sales | $ 2,015.3 | $ 1,981.4 | $ 3,973.8 | $ 3,848.3
Operating income | 399.5 | 408.2 | 775.7 | 785.1
Interconnect Products and Assemblies |  |  |  |
Segment reporting information |  |  |  |
Net sales | 1,925.6 | 1,870.2 | 3,788.3 | 3,640.2
Cable Products and Solutions |  |  |  |
Segment reporting information |  |  |  |
Net sales | 89.7 | 111.2 | 185.5 | 208.1
Operating Segment |  |  |  |
Segment reporting information |  |  |  |
Net sales | 2,015.3 | 1,981.4 | 3,973.8 | 3,848.3
Operating income | 437.1 | 434.4 | 857.6 | 836.9
Operating Segment | Interconnect Products and Assemblies |  |  |  |
Segment reporting information |  |  |  |
Net sales | 1,925.6 | 1,870.2 | 3,788.3 | 3,640.2
Operating income | 428.4 | 419.7 | 838.5 | 810.9
Operating Segment | Cable Products and Solutions |  |  |  |
Segment reporting information |  |  |  |
Net sales | 89.7 | 111.2 | 185.5 | 208.1
Operating income | 8.7 | 14.7 | 19.1 | 26.0
Inter-Segment |  |  |  |
Segment reporting information |  |  |  |
Net sales | 21.5 | 11.4 | 40.1 | 22.8
Inter-Segment | Interconnect Products and Assemblies |  |  |  |
Segment reporting information |  |  |  |
Net sales | 8.1 | 3.2 | 11.0 | 5.8
Inter-Segment | Cable Products and Solutions |  |  |  |
Segment reporting information |  |  |  |
Net sales | $ 13.4 | $ 8.2 | $ 29.1 | $ 17.0

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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