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Debt Redemption, Premium Paid

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Amount, after accumulated amortization, of debt discount.

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Weighted average interest rate of debt outstanding.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Borrowings and Credit Arrangements - Additional Information (Detail) - USD ($)			3 Months Ended
	Sep. 27, 2021	Oct. 15, 2020	Dec. 25, 2021	Jun. 26, 2021	Dec. 26, 2020	Sep. 25, 2021	Jun. 17, 2021	Sep. 28, 2020
Debt Instrument [Line Items]
Long-term debt			$ 3,068,300,000			$ 3,025,200,000
Debt extinguishment losses			700,000		$ 21,600,000
Long-term Debt, Current Maturities			248,700,000			313,000,000.0
Repayments of Other Debt			$ 63,600,000
Minimum \| Mobidiag Oy
Debt Instrument [Line Items]
Stated interest rate							6.00%
Maximum \| Mobidiag Oy
Debt Instrument [Line Items]
Stated interest rate							7.00%
2021 Credit Agreement
Debt Instrument [Line Items]
Proceeds from revolving credit line	$ 1,500,000,000
Revolver \| 2021 Revolver
Debt Instrument [Line Items]
Revolving credit facility borrowings	2,000,000,000
Senior Notes \| 2025 Senior Notes
Debt Instrument [Line Items]
Stated interest rate			4.375%
Senior notes, face amount		$ 950,000,000	$ 950,000,000
Interest Expense, Debt				$ 5,800,000
Debt Issuance Costs, Net				7,900,000
Debt Instrument, Unamortized Discount				$ 6,400,000
Premium payment		20,800,000
Extinguishment of Debt, Amount		$ 970,800,000
Senior Notes \| 2028 Senior Notes
Debt Instrument [Line Items]
Stated interest rate			4.625%
Senior Notes \| 2029 Senior Notes
Debt Instrument [Line Items]
Stated interest rate			3.25%					3.25%
Senior notes			$ 950,000,000					$ 950,000,000
Debt Instrument, Offering Price, Percent Of Face Value								1
2028 Senior Notes
Debt Instrument [Line Items]
Senior notes, face amount			400,000,000
Term Loan \| 2021 Credit Agreement
Debt Instrument [Line Items]
Debt extinguishment losses			700,000
Debt Issuance Costs, Net			7,000,000
Accounts Receivable Securitization
Debt Instrument [Line Items]
Long-term Debt, Current Maturities			$ 248,500,000			$ 248,500,000
Debt, Weighted Average Interest Rate			0.79%
Secured Term Loan \| 2021 Term Loan
Debt Instrument [Line Items]
Stated interest rate			1.10%
Senior notes, face amount	1,500,000,000
Secured Term Loan \| 2021 Term Loan \| Eurocurrency Rate
Debt Instrument [Line Items]
Debt Instrument, Commitment Fee, Percentage			0.15%
Debt Instrument, Periodic Payment, Principal Per Quarter	1,335,000,000
Secured Term Loan \| 2021 Term Loan \| Minimum \| Eurocurrency Rate
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Principal Per Quarter	3,750,000
Secured Term Loan \| 2021 Term Loan \| Maximum \| Eurocurrency Rate
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Principal Per Quarter	$ 18,750,000