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Long-Term Debt - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Feb. 10, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt, current maturities |  | $ 240,859 |  | $ 391,418 | $ 240,859 | $ 391,418 | $ 28,036
Proceeds from issuance of long-term debt |  |  |  |  | 499,725 | 1,639,661 |
Loss on early extinguishment of debt |  | 0 |  | $ 0 | 883 | $ 1,481 |
Finance Leases |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt, current maturities |  | 1,900 |  |  | 1,900 |  |
Bank debt | Bank Revolving Loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt, current maturities |  | 195,900 |  |  | 195,900 |  |
Bank debt | Other Foreign Bank Revolving and Term Loans |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Long-term debt, current maturities |  | $ 43,100 |  |  | $ 43,100 |  |
Bank debt | Term Loan |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of debt | $ 500,000 |  |  |  |  |  |
Loss on early extinguishment of debt |  |  | $ 900 |  |  |  |
1.4% Notes | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount | $ 500,000 |  |  |  |  |  |
Senior note interest rate | 1.40% | 1.40% |  |  | 1.40% |  |
Debt instrument offering price percentage at principle amount | 99.945% |  |  |  |  |  |
Proceeds from issuance of long-term debt | $ 499,700 |  |  |  |  |  |
1.4% Notes | Senior Notes | Debt Instrument, Redemption - One Month prior to the Par Call Date |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, redemption price (in percentage) | 100.00% |  |  |  |  |  |
1.4% Notes | Senior Notes | Debt Instrument Redemption Period - On or After the Par Call Date |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, redemption price (in percentage) | 100.00% |  |  |  |  |  |
1.4% Notes | Senior Notes | Debt Instrument Redemption Period - Upon the Occurrence of Change of Control Repurchase Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, redemption price (in percentage) | 101.00% |  |  |  |  |  |

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