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- Definition

Debt Instrument, Covenant, EBITDA Less Capital Expenditures to Consolidated Cash Interest Expense Ratio, Minimum

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Number of Quarterly Installment Payments

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Number of consecutive fiscal quarters

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Payments For Accrued Interest

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- Definition

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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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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Weighted average interest rate of debt outstanding.

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Nominal or face amount used to calculate payment on derivative.

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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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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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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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The cash outflow for loan and debt issuance costs.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Narrative (Details)			1 Months Ended	3 Months Ended
	Mar. 23, 2021 USD ($)	Mar. 26, 2018	Apr. 30, 2021 USD ($)	Mar. 27, 2021 USD ($) payment	Mar. 28, 2020 USD ($)	Dec. 26, 2020 USD ($)	Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($)
Debt Instrument [Line Items]
Weighted average interest rate				3.09%		3.11%
Deferred financing costs expensed				$ 28,680,000	$ 0
Debt extinguishment and financing costs				$ 26,907,000	0
Number of consecutive fiscal quarters				1 year
Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Prepayments of long-term debt				$ 135,000,000
Term Loans
Debt Instrument [Line Items]
Prepayments of long-term debt				146,900,000
Deferred financing costs expensed				200,000
$750 Million Term Loan \| Credit Facility
Debt Instrument [Line Items]
Credit facility				$ 750,000,000
Number of quarterly installment payments \| payment				19
$2.05 Billion Credit Facility \| Credit Facility
Debt Instrument [Line Items]
Minimum EBITDA less capital expenditures to consolidated cash interest expense ratio				3.50
$2.05 Billion Credit Facility \| Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility				$ 2,050,000,000.00
$2.05 Billion Credit Facility \| Credit Facility \| Revolving Credit Facility \| Federal Funds Rate
Debt Instrument [Line Items]
Variable interest rate		0.50%
$2.05 Billion Credit Facility \| Credit Facility \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Variable interest rate		1.00%
5.5% Senior Notes due 2026 \| Senior Notes
Debt Instrument [Line Items]
Prepayments of long-term debt	$ 500,000,000
Deferred financing costs expensed	5,000,000
Aggregate principal amount								$ 500,000,000
Stated interest rate				5.50%		5.50%		5.50%
Debt extinguishment and financing costs	21,000,000
Payments for accrued interest	$ 13,000,000
4.25% Senior Notes due 2028 \| Senior Notes
Debt Instrument [Line Items]
Maximum consolidated indebtedness to consolidated EBITDA				4.25
Aggregate principal amount							$ 500,000,000
Stated interest rate				4.25%		4.25%	4.25%
3.75% Senior Notes due 2029 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount				$ 500,000,000
Stated interest rate				3.75%		3.75%
4.0% Senior Notes due 2031 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount				$ 500,000,000
Stated interest rate				4.00%		4.00%
Letter of Credit
Debt Instrument [Line Items]
Letters of credit outstanding				$ 16,800,000		$ 16,000,000.0
$3 Billion Credit Facility \| Credit Facility \| Revolving Credit Facility \| Subsequent Event
Debt Instrument [Line Items]
Credit facility			$ 3,000,000,000.0
$3 Billion Credit Facility \| Credit Facility \| Revolving Credit Facility \| Federal Funds Rate \| Subsequent Event
Debt Instrument [Line Items]
Variable interest rate			0.50%
$3 Billion Credit Facility \| Credit Facility \| Revolving Credit Facility \| LIBOR \| Subsequent Event
Debt Instrument [Line Items]
Variable interest rate			1.00%
Senior Notes Due 2029 And 2031 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount				1,000,000,000
Debt extinguishment and financing costs				10,000,000
Senior Notes Due 2029 And 2031 \| Senior Notes \| Cognate BioServices, Inc.
Debt Instrument [Line Items]
Debt extinguishment and financing costs				21,000,000
Payments for accrued interest				13,000,000
Minimum \| Foreign Exchange Forward
Debt Instrument [Line Items]
Derivative amount				300,000,000
Maximum \| Foreign Exchange Forward
Debt Instrument [Line Items]
Derivative amount				400,000,000
Other Nonoperating Income (Expense) \| Foreign Exchange Forward
Debt Instrument [Line Items]
Foreign currency losses recognized				13,400,000	4,200,000
Interest Expense \| Foreign Exchange Forward
Debt Instrument [Line Items]
Recognized gains from derivatives				$ 13,977,000	$ 6,067,000