Fair Value Measurements - Available for Sale Debt Securities (Details) - USD ($) $ in Millions |
Mar. 29, 2025 |
Sep. 28, 2024 |
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Due in three months or less | $ 180.3 | $ 723.1 |
| Due after three months through one year | 191.5 | 173.4 |
| Due after one year through five years | 0.0 | 96.4 |
| Total available-for-sale securities | $ 371.8 | $ 992.9 |
| X | ||||||||||
- Definition Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, After Three Months Through One Year No definition available.
|
| X | ||||||||||
- Definition Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Due in Three Months or Less No definition available.
|
| X | ||||||||||
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|