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Fair Value Measurements (Tables)

12 Months Ended

Jan. 01, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Financial Assets Measured on a Recurring Basis

The classifications within the fair value hierarchy of our financial assets that were measured and recorded at fair value on a recurring basis were as follows (in thousands):

			December 31, 2020
			Level 1						Level 2						Total
Commercial paper			$	—					569,828						$	569,828
Corporate bonds			—						548,757						548,757
U.S. Treasury and government-sponsored enterprises			—						208,554						208,554
Municipal bonds			—						28,762						28,762
Total debt securities available-for-sale			—						1,355,901						1,355,901
Money market funds			40,761						—						40,761
Certificates of deposit			—						60,004						60,004
Total financial assets carried at fair value			$	40,761					$	1,415,905					$	1,456,666

			December 31, 2019
			Level 1						Level 2						Total
Commercial paper			$	—					$	389,573					$	389,573
Corporate bonds			—						756,226						756,226
U.S. Treasury and government-sponsored enterprises			—						166,665						166,665
Total debt securities available-for-sale			—						1,312,464						1,312,464
Money market funds			2,467						—						2,467
Certificates of deposit			—						32,733						32,733
Total financial assets carried at fair value			$	2,467					$	1,345,197					$	1,347,664

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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X

- References

No definition available.

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