XML 63 R48.htm IDEA: XBRL DOCUMENT
v3.22.4

Fair Value of Financial Instruments - Summary of financial instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Jan. 01, 2022
--- | --- | ---
Fair Value of Financial Instruments |  |
Short-term investments | $ 692,024 | $ 964,582
Recurring |  |
Fair Value of Financial Instruments |  |
Cash equivalents | 314,218 | 852,242
Short-term investments | 692,024 | 964,582
Other assets, net |  | 4,980
Total | 1,006,242 | 1,821,804
Recurring | Money market funds |  |
Fair Value of Financial Instruments |  |
Cash equivalents | 310,969 | 845,740
Recurring | Corporate debt securities |  |
Fair Value of Financial Instruments |  |
Cash equivalents | 3,249 | 3,552
Short-term investments | 501,014 | 773,461
Recurring | Government debt securities |  |
Fair Value of Financial Instruments |  |
Cash equivalents |  | 2,950
Short-term investments | 191,010 | 191,121
Recurring | Auction rate securities |  |
Fair Value of Financial Instruments |  |
Other assets, net |  | 4,980
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value of Financial Instruments |  |
Cash equivalents | 310,969 | 845,740
Short-term investments |  | 71,509
Total | 310,969 | 917,249
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market funds |  |
Fair Value of Financial Instruments |  |
Cash equivalents | 310,969 | 845,740
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Government debt securities |  |
Fair Value of Financial Instruments |  |
Short-term investments |  | 71,509
Recurring | Significant Other Observable Inputs (Level 2) |  |
Fair Value of Financial Instruments |  |
Cash equivalents | 3,249 | 6,502
Short-term investments | 692,024 | 893,073
Total | 695,273 | 899,575
Recurring | Significant Other Observable Inputs (Level 2) | Corporate debt securities |  |
Fair Value of Financial Instruments |  |
Cash equivalents | 3,249 | 3,552
Short-term investments | 501,014 | 773,461
Recurring | Significant Other Observable Inputs (Level 2) | Government debt securities |  |
Fair Value of Financial Instruments |  |
Cash equivalents |  | 2,950
Short-term investments | $ 191,010 | 119,612
Recurring | Significant Unobservable Inputs (Level 3) |  |
Fair Value of Financial Instruments |  |
Other assets, net |  | 4,980
Total |  | 4,980
Recurring | Significant Unobservable Inputs (Level 3) | Auction rate securities |  |
Fair Value of Financial Instruments |  |
Other assets, net |  | $ 4,980

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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 (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of other assets. + References No definition available. + Details
Name: | us-gaap_OtherAssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(g)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
Name: | us-gaap_ShortTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_AuctionRateSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |