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v3.20.4

Marketable Securities (Details) - USD ($) $ in Millions | Jan. 01, 2021 | Oct. 02, 2020
--- | --- | ---
Other Current Assets [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities | $ 401.4 | $ 408.1
Other Noncurrent Assets [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities | 0.7 | 5.2
US Treasury and Government [Member] | Other Current Assets [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities | 128.4 | 129.4
US Treasury and Government [Member] | Other Noncurrent Assets [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities | 0.7 | 5.0
Corporate Debt Securities [Member] | Other Current Assets [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities | 258.1 | 276.8
Corporate Debt Securities [Member] | Other Noncurrent Assets [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities | 0.0 | 0.0
US States and Political Subdivisions Debt Securities [Member] | Other Current Assets [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities | 14.9 | 1.9
US States and Political Subdivisions Debt Securities [Member] | Other Noncurrent Assets [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities | $ 0.0 | $ 0.2

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
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