Hedging - Derivative Fair Value (Details) - Foreign currency forward contracts - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Total assets	$ 0	$ 9,725
Total liabilities	(63,467)	(7,354)
Designated as hedging instruments
Derivative [Line Items]
Total assets	0	9,725
Total liabilities	(63,467)	(7,354)
Prepaid expenses and other current assets \| Designated as hedging instruments
Derivative [Line Items]
Fair value - assets	0	9,725
Other current liabilities \| Designated as hedging instruments
Derivative [Line Items]
Fair value - liabilities	(59,184)	(5,533)
Other assets \| Designated as hedging instruments
Derivative [Line Items]
Fair value - assets	0	0
Other long-term liabilities \| Designated as hedging instruments
Derivative [Line Items]
Fair value - liabilities	$ (4,283)	$ (1,821)

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Fair value as of the balance sheet date of all foreign currency derivative liabilities designated as cash flow hedging instruments.

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