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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 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) $ in Thousands			3 Months Ended				9 Months Ended
	Sep. 27, 2021 USD ($)	Oct. 15, 2020 USD ($)	Jun. 25, 2022 USD ($)	Dec. 25, 2021 USD ($)	Jun. 26, 2021 USD ($)	Mar. 27, 2021 USD ($)	Jun. 25, 2022 USD ($)	Jun. 26, 2021 USD ($)	Sep. 25, 2021 USD ($)	Jun. 17, 2021	Sep. 28, 2020 USD ($)
Debt Instrument [Line Items]
Long-term debt			$ 2,822,100				$ 2,822,100		$ 3,025,200
Debt extinguishment losses			0		$ 0	$ 21,600	700	$ 21,600
Long-term Debt, Current Maturities			$ 7,500				$ 7,500		313,000
Repayments of Other Debt				$ 63,700
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
Revolver \| 2021 Revolver
Debt Instrument [Line Items]
Revolving credit facility borrowings	2,000,000
Senior Notes \| 2025 Senior Notes
Debt Instrument [Line Items]
Stated interest rate			4.375%				4.375%
Senior notes, face amount		$ 950,000	$ 950,000				$ 950,000
Interest Expense, Debt				5,800
Debt Issuance Costs, Net				7,900
Debt Instrument, Unamortized Discount				6,400
Premium payment		20,800
Extinguishment of Debt, Amount		$ 970,800
Senior Notes \| 2028 Senior Notes
Debt Instrument [Line Items]
Stated interest rate			4.625%				4.625%
Senior Notes \| 2029 Senior Notes
Debt Instrument [Line Items]
Stated interest rate			3.25%				3.25%
Senior notes			$ 950,000				$ 950,000				$ 950,000
Debt Instrument, Offering Price, Percent Of Face Value											1
2028 Senior Notes
Debt Instrument [Line Items]
Senior notes, face amount			400,000				400,000
Term Loan
Debt Instrument [Line Items]
Long-term Debt, Current Maturities			7,500				7,500		0
Term Loan \| 2021 Credit Agreement
Debt Instrument [Line Items]
Debt extinguishment losses				$ 700
Debt Issuance Costs, Net			7,000				7,000
Accounts Receivable Securitization
Debt Instrument [Line Items]
Long-term Debt, Current Maturities			$ 0				$ 0		$ 248,500
Secured Term Loan \| 2021 Term Loan
Debt Instrument [Line Items]
Stated interest rate			2.63%				2.63%
Senior notes, face amount	1,500,000
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
Secured Term Loan \| 2021 Term Loan \| Minimum \| Eurocurrency Rate
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Principal Per Quarter	3,750
Secured Term Loan \| 2021 Term Loan \| Maximum \| Eurocurrency Rate
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment, Principal Per Quarter	$ 18,750
Asset Securitization
Debt Instrument [Line Items]
Repayments of Other Debt			$ 248,500