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Reportable Business Segments and International Operations, Geographic information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenues and long-lived assets by geographical area |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 1,943.9 | $ 1,840.8 | $ 1,666.5 | $ 1,560.1 | $ 1,651.1 | $ 1,635.9 | $ 1,548.2 | $ 1,451.2 | $ 7,011.3 | $ 6,286.4 | $ 5,568.7
Property, plant and equipment, net | 816.8 |  |  |  | 711.4 |  |  |  | 816.8 | 711.4 | $ 609.5
Net sales | Customer risk | Largest Customer |  |  |  |  |  |  |  |  |  |  |
Concentration risk |  |  |  |  |  |  |  |  |  |  |
Concentration of net sales (as a percent) |  |  |  |  |  |  |  |  |  |  | 11.00%
U.S. |  |  |  |  |  |  |  |  |  |  |
Revenues and long-lived assets by geographical area |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,978.4 | 1,740.7 | $ 1,696.3
Property, plant and equipment, net | 212.7 |  |  |  | 209.2 |  |  |  | 212.7 | 209.2 | 214.4
China |  |  |  |  |  |  |  |  |  |  |
Revenues and long-lived assets by geographical area |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,067.3 | 1,865.6 | 1,675.5
Property, plant and equipment, net | 244.7 |  |  |  | 200.1 |  |  |  | 244.7 | 200.1 | 151.4
Other international locations |  |  |  |  |  |  |  |  |  |  |
Revenues and long-lived assets by geographical area |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 2,965.6 | 2,680.1 | 2,196.9
Property, plant and equipment, net | $ 359.4 |  |  |  | $ 302.1 |  |  |  | $ 359.4 | $ 302.1 | $ 243.7

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