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Revenue Recognition (Contract Assets and Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Change In Contract With Customer, Asset And Liability [Roll Forward] |  |  |
Contract assets, net | $ 277,734 |  |
Contract liabilities | 194,227 |  |
Amounts transferred from contract assets to receivables | 74,333 | $ 4,258 | $ (45,220)
Contract assets, net | 195,598 | 277,734 |
Contract liabilities | 202,965 | 194,227 |
Contract Assets, net (Current) |  |  |
Change In Contract With Customer, Asset And Liability [Roll Forward] |  |  |
Contract Assets, net (Current) | 277,734 | 272,914 |
Revenue recognized that was included in contract liabilities at the beginning of the period | 0 | 0 |
Increase due to revenue recognized in the period in excess of billings | 784,934 | 925,244 |
Increase due to billings arising during the period in excess of revenue recognized | 0 | 0 |
Amounts transferred from contract assets to receivables | (848,031) | (917,885) |
Currency effects and other, net, contract assets | (19,039) | (2,539) |
Contract Assets, net (Current) | 195,598 | 277,734 | 272,914
Long-term Contract Assets, net |  |  |
Change In Contract With Customer, Asset And Liability [Roll Forward] |  |  |
Contract assets, net | 1,139 | 9,280 |
Revenue recognized that was included in contract liabilities at the beginning of the period | 0 | 0 |
Increase due to revenue recognized in the period in excess of billings | 0 | 0 |
Increase due to billings arising during the period in excess of revenue recognized | 0 | 0 |
Amounts transferred from contract assets to receivables | (2,329) | (1,666) |
Currency effects and other, net, contract assets | 1,616 | (6,475) |
Contract assets, net | 426 | 1,139 | 9,280
Contract Liabilities (Current) |  |  |
Change In Contract With Customer, Asset And Liability [Roll Forward] |  |  |
Contract liabilities | 194,227 | 221,095 |
Revenue recognized that was included in contract liabilities at the beginning of the period | (153,221) | (180,522) |
Increase due to revenue recognized in the period in excess of billings | 0 | 0 |
Increase due to billings arising during the period in excess of revenue recognized | 165,990 | 140,391 |
Amounts transferred from contract assets to receivables | 0 | 0 |
Currency effects and other, net, contract liabilities | (4,031) | 13,263 |
Contract liabilities | 202,965 | 194,227 | 221,095
Long-term Contract Liabilities |  |  |
Change In Contract With Customer, Asset And Liability [Roll Forward] |  |  |
Long-term Contract Liabilities | 464 | 822 | $ 1,652
Revenue recognized that was included in contract liabilities at the beginning of the period | 0 | 0 |
Increase due to revenue recognized in the period in excess of billings | 0 | 0 |
Increase due to billings arising during the period in excess of revenue recognized | 0 | 0 |
Amounts transferred from contract assets to receivables | 0 | 0 |
Currency effects and other, net, contract liabilities | $ (358) | $ (830) |

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