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Reportable Business Segments and International Operations, Segment Results (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) segment | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Number of reportable business segments | segment |  |  |  |  |  |  |  |  | 2 |  |
Net sales | $ 2,151.0 | $ 2,100.6 | $ 2,015.3 | $ 1,958.5 | $ 2,224.7 | $ 2,129.0 | $ 1,981.4 | $ 1,866.9 | $ 8,225.4 | $ 8,202.0 | $ 7,011.3
Depreciation and amortization |  |  |  |  |  |  |  |  | 312.1 | 299.7 | 226.8
Operating income | 429.8 | $ 413.6 | $ 399.5 | $ 376.2 | 457.6 | $ 444.2 | $ 408.2 | $ 376.9 | 1,619.2 | 1,686.9 | 1,427.6
Segment assets (excluding goodwill) | 5,875.6 |  |  |  | 5,886.7 |  |  |  | 5,875.6 | 5,886.7 |
Interconnect Products and Assemblies |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 7,840.3 | 7,781.9 |
Cable Products and Solutions |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 385.1 | 420.1 |
Operating Segment |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 8,225.4 | 8,202.0 | 7,011.3
Depreciation and amortization |  |  |  |  |  |  |  |  | 312.1 | 299.7 | 226.8
Operating income |  |  |  |  |  |  |  |  | 1,762.2 | 1,805.1 | 1,529.4
Segment assets (excluding goodwill) | 5,875.6 |  |  |  | 5,886.7 |  |  |  | 5,875.6 | 5,886.7 | 5,932.9
Capital expenditures |  |  |  |  |  |  |  |  | 295.0 | 310.6 | 226.6
Operating Segment | Interconnect Products and Assemblies |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 7,840.3 | 7,781.9 | 6,606.9
Depreciation and amortization |  |  |  |  |  |  |  |  | 300.1 | 287.2 | 214.7
Operating income |  |  |  |  |  |  |  |  | 1,722.7 | 1,752.5 | 1,475.2
Segment assets (excluding goodwill) | 5,666.4 |  |  |  | 5,678.6 |  |  |  | 5,666.4 | 5,678.6 | 5,732.6
Capital expenditures |  |  |  |  |  |  |  |  | 289.6 | 305.0 | 220.4
Operating Segment | Cable Products and Solutions |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 385.1 | 420.1 | 404.4
Depreciation and amortization |  |  |  |  |  |  |  |  | 6.4 | 6.6 | 6.3
Operating income |  |  |  |  |  |  |  |  | 39.5 | 52.6 | 54.2
Segment assets (excluding goodwill) | $ 209.2 |  |  |  | $ 208.1 |  |  |  | 209.2 | 208.1 | 200.3
Capital expenditures |  |  |  |  |  |  |  |  | 4.1 | 5.2 | 5.6
Operating Segment | Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Depreciation and amortization |  |  |  |  |  |  |  |  | 5.6 | 5.9 | 5.8
Capital expenditures |  |  |  |  |  |  |  |  | 1.3 | 0.4 | 0.6
Inter-Segment |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 86.9 | 46.8 | 50.4
Inter-Segment | Interconnect Products and Assemblies |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 35.3 | 12.8 | 9.7
Inter-Segment | Cable Products and Solutions |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 51.6 | 34.0 | 40.7
Inter-Segment | Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 0.0 | $ 0.0 | $ 0.0

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