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Fair Value of Financial Instruments - Additional Information (Details) $ in Thousands, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2020 AUD ($)
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Foreign currency forward contracts, assets | $ 13,606 | $ 7,401 |  |
Foreign currency forward contracts, liabilities | 4,803 | 3,613 |  |
Forward Contracts | Other, net |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Cash settlements | (19,400) | (23,600) |  |
Cash receipts |  |  | $ (25,200) |
Designated as Hedging Instrument | Forward Contracts |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Derivative, notional amount | 75,400 | 481,200 |  | $ 727.9
Fair value foreign currency forward contracts designated as hedging instruments, asset | 7,043 | 5,369 |  |
Fair value foreign currency forward contracts designated as hedging instruments, liabilities | 0 | 0 |  |
Recognized gains of foreign currency forward contracts designated as hedging instruments | 1,602 | 4,847 | 0 |
Designated as Hedging Instrument | Forward Contracts | Other current assets |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value foreign currency forward contracts designated as hedging instruments, asset | 6,200 | 3,700 |  |
Designated as Hedging Instrument | Forward Contracts | Other assets |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value foreign currency forward contracts designated as hedging instruments, asset | 900 | 1,700 |  |
Not Designated as Hedging Instrument | Forward Contracts |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Derivative, notional amount | 611,100 | 1,150,000 |  |
Fair value foreign currency forward contracts not designated as hedging instruments, asset | 6,563 | 2,032 |  |
Fair value foreign currency forward contracts not designated as hedging instruments, liabilities | 4,803 | 3,613 |  |
Not Designated as Hedging Instrument | Forward Contracts | Other current assets |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value foreign currency forward contracts not designated as hedging instruments, asset | 6,600 | 2,000 |  |
Not Designated as Hedging Instrument | Forward Contracts | Accrued expenses |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value foreign currency forward contracts not designated as hedging instruments, asset | 4,800 |  |  |
Fair value foreign currency forward contracts not designated as hedging instruments, liabilities |  | 3,600 |  |
Not Designated as Hedging Instrument | Forward Contracts | Other expenses, net |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Recognized (losses) gains of foreign currency forward contracts not designated as hedging instruments | $ (7,665) | $ (25,765) | $ (19,851) |

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