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Segment Reporting Textuals (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Restructuring Charges | $ 18,420 | $ 12,772 | $ 6,235
Maximum Customer Percentage | 1.00% |  |
U.S. Operations Segment |  |  |
Restructuring Charges | $ 11,000 | 6,200 |
Swiss Operations Segment |  |  |
Restructuring Charges | 4,000 | 1,800 |
Western European Operations Segment |  |  |
Restructuring Charges | 2,800 | 3,000 |
Chinese Operations Segment |  |  |
Restructuring Charges | 300 | 800 |
Other Operations Segment |  |  |
Restructuring Charges | $ 300 | $ 1,000 |

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