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Long-Term Debt - Amended Credit Agreement (Details) - USD ($)	Sep. 19, 2016	Dec. 31, 2019	Sep. 19, 2019	Aug. 15, 2019	Jun. 12, 2019	Nov. 30, 2017	Sep. 30, 2016
Debt Instrument [Line Items]
Long-term debt		$ 3,749,200,000
Term Loan B Facility
Debt Instrument [Line Items]
Long-term debt		$ 2,400,000,000	$ 1,635,000,000				$ 2,400,000,000
Term Loan B Facility | Fairchild
Debt Instrument [Line Items]
Proceeds from term loan	$ 2,200,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity				$ 1,970,000,000	$ 1,900,000,000	$ 1,000,000,000.0
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Proceeds from lines of credit	200,000,000.0
Deutsche Bank AG, New York Branch
Debt Instrument [Line Items]
Cash placed in escrow	$ 67,700,000

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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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