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Supplemental Financial Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Condensed Financial Statements, Captions [Line Items] |  |  |
Gain from antitrust litigation settlement | $ (4,231) | $ 0 | $ 0
Gain on sale of property, plant and equipment | (3,087) | (5,329) | 0
Lease income | (948) | 0 | 0
Depreciation on leased assets | 3,512 | 0 | 0
Indemnity claim settlement from acquisitions | (700) | 0 | 0
Economic incentive grants | (556) | 0 | 0
Other operating income (expense) | (3,087) | (5,329) | 0
Global Headquarters Move |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Gain on sale of property, plant and equipment | $ (164) | $ (5,329) | $ 0

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