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Cash and Investments (Tables)

12 Months Ended

Jan. 01, 2021

Investments, Debt and Equity Securities [Abstract]

Reconciliation of Cash, Cash Equivalents, and Restricted Cash

A reconciliation of cash, cash equivalents, and restricted cash equivalents reported within our Consolidated Balance Sheets to the amount reported within the accompanying Consolidated Statements of Cash Flows was as follows (in thousands):

			December 31,
			2020						2019
Cash and cash equivalents			$	319,217					$	266,501
Restricted cash equivalents included in long-term investments			1,555						1,636
Cash, cash equivalents, and restricted cash equivalents as reported within the accompanying Consolidated Statements of Cash Flows			$	320,772					$	268,137

Reconciliation of Cash, Cash Equivalents, and Restricted Cash

A reconciliation of cash, cash equivalents, and restricted cash equivalents reported within our Consolidated Balance Sheets to the amount reported within the accompanying Consolidated Statements of Cash Flows was as follows (in thousands):

			December 31,
			2020						2019
Cash and cash equivalents			$	319,217					$	266,501
Restricted cash equivalents included in long-term investments			1,555						1,636
Cash, cash equivalents, and restricted cash equivalents as reported within the accompanying Consolidated Statements of Cash Flows			$	320,772					$	268,137

Investments by Security Type

Cash and investments consisted of the following (in thousands):

			December 31, 2020
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
Debt securities available-for-sale:
Commercial paper			$	569,456					$	372					$	—					$	569,828
Corporate bonds			543,520						5,244						(7)						548,757
U.S. Treasury and government-sponsored enterprises			208,326						232						(4)						208,554
Municipal bonds			28,680						83						(1)						28,762
Total debt securities available-for-sale			1,349,982						5,931						(12)						1,355,901
Cash			82,176						—						—						82,176
Money market funds			40,761						—						—						40,761
Certificates of deposit			60,004						—						—						60,004
Total cash and investments			$	1,532,923					$	5,931					$	(12)					$	1,538,842

			December 31, 2019
			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
Debt securities available-for-sale:
Commercial paper			$	389,573					$	—					$	—					$	389,573
Corporate bonds			752,295						3,934						(3)						756,226
U.S. Treasury and government-sponsored enterprises			166,483						187						(5)						166,665
Total debt securities available-for-sale			1,308,351						4,121						(8)						1,312,464
Cash			40,964						—						—						40,964
Money market funds			2,467						—						—						2,467
Certificates of deposit			32,728						5						—						32,733
Total cash and investments			$	1,384,510					$	4,126					$	(8)					$	1,388,628

Fair Value and Gross Unrealized Losses of Investments Available-for-Sale in an Unrealized Loss Position

The fair value and gross unrealized losses on debt securities available-for-sale in an unrealized loss position were as follows (in thousands):

			December 31, 2020
			Fair Value						Gross Unrealized Losses
Corporate bonds			$	28,445					$	(7)
U.S. Treasury and government-sponsored enterprises			21,989						(4)
Municipal bonds			5,865						(1)
Total			$	56,299					$	(12)

			December 31, 2019
			Fair Value						Gross Unrealized Losses
Corporate bonds			$	14,529					$	(3)
U.S. Treasury and government-sponsored enterprises			2,848						(5)
Total			$	17,377					$	(8)

Fair Value of Cash Equivalents and Investments by Contractual Maturity

The fair value of debt securities available-for-sale by contractual maturity was as follows (in thousands):

			December 31,
			2020						2019
Maturing in one year or less			$	1,034,150					$	789,913
Maturing after one year through five years			321,751						522,551
Total debt securities available-for-sale			$	1,355,901					$	1,312,464

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- Definition

Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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