Debt - $500 Million 4.75% Senior Notes (Details) - Senior Notes [Member] - $500 Million 4.75% Senior Notes $ in Millions	1 Months Ended
Sep. 30, 2019 USD ($)
Debt Instrument [Line Items]
Face amount	$ 500.0
Stated interest rate (as a percent)	4.75%
Debt instrument, frequency of periodic payment	semi-annually
Redemption price (as a percent)	100.00%
Redemption date	Oct. 15, 2022
Net proceeds	$ 493.0
2022
Debt Instrument [Line Items]
Redemption price (as a percent)	103.563%
2023
Debt Instrument [Line Items]
Redemption price (as a percent)	102.375%
2024
Debt Instrument [Line Items]
Redemption price (as a percent)	101.188%
2025
Debt Instrument [Line Items]
Redemption price (as a percent)	100.00%

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

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-Name Accounting Standards Codification
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- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

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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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No definition available.

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Start date of debt instrument redemption period, in CCYY-MM-DD format.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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