v3.24.3
Investments and Fair Value Measurements (Schedule Of Financial Assets Carried At Fair Value) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 27, 2024
Sep. 29, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash Equivalents, at Carrying Value $ 482,047 $ 745,364
Short-term investments, cost   371,651
Short-term investments, unrealized gains 0  
Short-term investments, unrealized losses 0 0
Short-term investments, total   368,793
Long-term investments, Total   97,812
Total cash, cash equivalents, and investments, cost 571,314 985,182
Total cash, cash equivalents, and investments, unrealized gains 0 10
Total cash, cash equivalents, and investments, unrealized losses 0 (2,868)
Total cash, cash equivalents, and investments, total 571,314 982,324
Assets $ 482,047 $ 745,364
Derivative Liability, Statement of Financial Position [Extensible Enumeration]   Accrued liabilities
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] Prepaid expenses and other current assets Prepaid expenses and other current assets
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]   Other non-current liabilities
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]   Other non-current assets
Equity Method Investments $ 83,900 $ 5,900
Government bonds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments, Cost   50,220
Short-term investments, Unrealized Gains   3
Short-term investments, Unrealized Losses   384
Short-term investments, Total   49,839
Long-term investments, Cost   33,227
Long-term investments, Unrealized Gains   0
Long-term investments, Unrealized Losses   1,046
Long-term investments, Total   32,181
U.S. agency securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments, Cost   5,956
Commercial paper    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash   1,514
Short-term investments, Cost   5,843
Short-term investments, Unrealized Gains   0
Short-term investments, Unrealized Losses   3
Short-term investments, Total   5,840
Corporate bonds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments, Cost   61,803
Short-term investments, Unrealized Gains   0
Short-term investments, Unrealized Losses   431
Short-term investments, Total   61,372
Long-term investments, Cost   39,057
Long-term investments, Unrealized Gains   6
Long-term investments, Unrealized Losses   589
Long-term investments, Total   38,474
Municipal debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments, Cost   15,801
Short-term investments, Unrealized Gains   0
Short-term investments, Unrealized Losses   184
Short-term investments, Total   15,617
Long-term investments, Cost   16,137
Long-term investments, Unrealized Gains   0
Long-term investments, Unrealized Losses   224
Long-term investments, Total   15,913
Other long-term investments    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term investments, Cost 89,267 [1] 11,244 [2]
Long-term investments, Unrealized Gains 0 [1] 0 [2]
Long-term investments, Unrealized Losses 0 [1] 0 [2]
Long-term investments, Total 89,267 [1] 11,244 [2]
Long-term investments 5,000 5,000
Short-term investments    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments, Cost   140,153
Short-term investments, Unrealized Gains   4
Short-term investments, Unrealized Losses   1,009
Short-term investments, Total   139,148
Long-term investments    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term investments, Cost 89,267 99,665
Long-term investments, Unrealized Gains 0 6
Long-term investments, Unrealized Losses 0 1,859
Long-term investments, Total 89,267  
Certificates of Deposit    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments, Cost   530
Short-term investments, Unrealized Gains   0
Short-term investments, Unrealized Losses   0
Short-term investments, Total   530
U.S. agency securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments, Unrealized Gains   1
Short-term investments, Unrealized Losses   7
Short-term investments, Total   5,950
Cash    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash Equivalents, at Carrying Value 482,047 602,288
Cash 482,047 602,288
Money market funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash Equivalents, at Carrying Value   139,831
Cash   139,831
Government bonds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash Equivalents, at Carrying Value   1,731
Cash   1,731
Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash 482,047 743,850
Short-term investments   46,246
Long-term investments 0 32,181
Assets 482,047 822,277
Derivative Liability, Current   0
Derivative Liability, Noncurrent   0
Derivative Asset, Current 0 0
Derivative Asset, Noncurrent   0
Level 1 | Government bonds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments   46,246
Long-term investments   32,181
Level 1 | Other long-term investments    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term investments [2]   0
Level 1 | Investments held in supplemental retirement plan:    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Assets 5,044 4,400
Liabilities 5,044 4,400
Level 1 | Cash    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash 482,047 602,288
Level 1 | Money market funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash   139,831
Level 1 | Government bonds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash   1,731
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash 0 1,514
Short-term investments   92,902
Long-term investments 0 54,387
Assets 0 148,803
Derivative Liability, Current   (618)
Derivative Liability, Noncurrent   (24)
Derivative Asset, Current 299 144
Derivative Asset, Noncurrent   2
Level 2 | Government bonds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments   3,593
Long-term investments   0
Level 2 | Commercial paper    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash   1,514
Short-term investments   5,840
Level 2 | Corporate bonds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments   61,372
Long-term investments   38,474
Level 2 | Municipal debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments   15,617
Long-term investments   15,913
Level 2 | Certificates of Deposit    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments   530
Level 2 | U.S. agency securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Short-term investments   5,950
Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term investments 76,000  
Assets 76,000 0
Derivative Liability, Current   0
Derivative Liability, Noncurrent   0
Derivative Asset, Current 0 0
Derivative Asset, Noncurrent   0
Level 3 | Other long-term investments    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term investments 76,000  
Derivative Financial Instruments, Liabilities, Current    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Currency derivatives as hedge instruments, liabilities, cost   0
Currency derivatives as hedge instruments, unrealized gains   0
Currency derivatives as hedge instruments, unrealized loss   (618)
Derivative Liability, Current   (618)
us-Derivative Financial Instruments, Liabilities, Noncurrent    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Currency derivatives as hedge instruments, unrealized gains   0
Currency derivatives as hedge instruments, unrealized loss   (24)
Derivative Liability, Noncurrent   (24)
Derivative Financial Instruments, Liabilities, Noncurrent, Amortized Cost Basis   0
Derivative Financial Instruments, Asset, Current    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Currency derivatives as hedge instruments, assets, cost 0  
Currency derivatives as hedge instruments, unrealized gains 299  
Currency derivatives as hedge instruments, unrealized loss 0  
Derivative Asset, Current $ 299  
Assets: Included in other current assets    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Currency derivatives as hedge instruments, assets, cost   0
Currency derivatives as hedge instruments, unrealized gains   2
Currency derivatives as hedge instruments, unrealized loss   0
Derivative Asset, Noncurrent   2
Derivative Financial Instruments, Assets, Current    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Currency derivatives as hedge instruments, assets, cost   0
Currency derivatives as hedge instruments, unrealized gains   144
Currency derivatives as hedge instruments, unrealized loss   0
Derivative Asset, Current   $ 144
[1] Other investments as of September 27, 2024 is primarily comprised of our equity method investment in Access Advance of $83.9 million and an equity security without a readily determinable fair value, valued at $5.0 million. Other investments increased in fiscal 2024 as a result of our acquisition of GE Licensing. Refer to Note 15 for more information.
As of September 29, 2023, all of our investments in debt securities were measured at fair value, and were recorded within cash equivalents and both short-term and long-term investments in our consolidated balance sheets. With the exception of our mutual fund investments held in our SERP and classified as trading securities and our other long-term investments, all of our investments have been classified as AFS securities. Derivative contracts are used to hedge currency risk, and these are carried at fair value and classified as other assets and other liabilities.
As of September 29, 2023, our investments in debt securities consisted of corporate bonds, government bonds, municipal debt securities, U.S. agency securities, commercial paper, and certificate of deposit. In addition, our cash and cash equivalents also consisted of highly-liquid money market funds, government bonds, and commercial paper. Consistent with our investment policy, none of our municipal debt investments have been supported by letters of credit or standby purchase agreements.
[2] Other investments as of September 29, 2023 is primarily comprised of our equity method investment in Access Advance of $5.9 million and an equity security without a readily determinable fair value, valued at $5.0 million.