Fair Value - Summary of Assets And Liabilities Measured at Fair Value (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Mar. 29, 2020	Dec. 31, 2019	Mar. 31, 2019
Assets:
Cash equivalents	$ 1,207,799	$ 624,832	$ 498,207
Marketable securities	44,144	52,575	59,899
Derivative financial instruments	14,683	12,649	16,083
Assets, fair value	1,266,626	690,056	574,189
Liabilities:
Derivative financial instruments	56,976	13,934	7,733
Level 1
Assets:
Cash equivalents	1,144,800	459,885	321,300
Marketable securities	44,144	52,575	49,896
Derivative financial instruments	0	0	0
Assets, fair value	1,188,944	512,460	371,196
Liabilities:
Derivative financial instruments	0	0	0
Level 2
Assets:
Cash equivalents	62,999	164,947	176,907
Marketable securities	0	0	10,003
Derivative financial instruments	14,683	12,649	16,083
Assets, fair value	77,682	177,596	202,993
Liabilities:
Derivative financial instruments	$ 56,976	$ 13,934	$ 7,733

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
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Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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-Name Accounting Standards Codification
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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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