v3.20.2

Supplemental Financial Information - Noncash Investing and Financing Activities, Narrative and Research and Development (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
Supplemental disclosure of cash flow information: |  |
Cash paid for interest, net of amounts capitalized | $ 72,450 | $ 120,625
Cash paid for income taxes | 2,422 | 1,217
Non-cash investing and financing activities: |  |
Employee benefits paid in Class A common stock | 6,920 | 6,654
Increase (decrease) in capital expenditures included in accounts payable, net | 2,055 | (15,839)
Noncash net assets exchanged for BSS Transaction (Note 5) | $ (2,824) | $ 0

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