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Dispositions Additional Information (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Dec. 14, 2016 | Jul. 01, 2017 | Jun. 25, 2016 | Jul. 01, 2017 | Jun. 25, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Proceeds from sale of business |  |  |  | $ 1,865.0 | $ 0.0
Gain on sale of business |  | $ 0.0 | $ 0.0 | 899.7 | $ 0.0
Blood Screening Business [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Gross proceeds on sale | $ 1,850.0 |  |  |  |
Proceeds from sale of business |  | 1,865.0 |  |  |
Gain on sale of business |  | 899.7 |  |  |
Accrued Income Taxes |  | 649.5 |  | 649.5 |
Proceeds allocated to manufacture of inventory |  | $ 13.1 |  | $ 13.1 |

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