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Consolidated Statements of Cash Flows Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Supplemental Cash Flow Information [Abstract] |  |  |
Interest | $ 45,241 | $ 46,186 | $ 33,952
Income taxes | 123,974 | 196,193 | 373,900
Supplemental schedule of non-cash investing and financing activities: |  |  |
Additions to property, plant and equipment | 6,387 | (4,672) | 30,643
Fair value of net assets acquired in acquisition | 107,290 | 831,760 | 369,956
Liabilities assumed in acquisition | (31,053) | (257,515) | (119,157)
Noncash investing and financing activities, total | $ 76,237 | $ 574,245 | $ 250,799

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