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

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- Definition

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 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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Debt - Additional Information (Details) - USD ($)	Sep. 30, 2020	Mar. 06, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Long-term debt	$ 3,562,100,000		$ 2,729,300,000
Senior Notes \| Senior Notes due 2028
Debt Instrument [Line Items]
Aggregate principal amount		$ 450,000,000.0
Long-term debt	$ 450,000,000.0		0
Stated interest rate	3.50%	3.50%
Senior Notes \| Senior Notes due 2029
Debt Instrument [Line Items]
Aggregate principal amount		$ 350,000,000.0
Long-term debt	$ 350,000,000.0		0
Stated interest rate	3.50%	3.50%
Senior Notes \| Senior Notes due 2027
Debt Instrument [Line Items]
Long-term debt	$ 300,000,000.0		300,000,000.0
Stated interest rate	4.75%
Senior Notes \| Senior Notes due 2024
Debt Instrument [Line Items]
Long-term debt	$ 300,000,000.0		300,000,000.0
Stated interest rate	4.125%
Senior Notes \| Senior Notes due 2022
Debt Instrument [Line Items]
Long-term debt	$ 250,000,000.0		250,000,000.0
Stated interest rate	4.875%
Senior Notes \| Senior Notes due 2021
Debt Instrument [Line Items]
Long-term debt	$ 425,000,000.0		$ 425,000,000.0
Stated interest rate	4.75%