Debt instrument treasury rate basis points for redemption.

No definition available.

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- Definition

Redemption price, percentage of principal amount.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

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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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

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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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Senior Notes (Summary of Senior Notes) (Parenthetical) (Details) - USD ($) $ in Thousands			12 Months Ended
	Feb. 15, 2030	Oct. 27, 2017	Dec. 31, 2021	Dec. 31, 2020	May 31, 2020	Oct. 31, 2017	Jul. 31, 2014
Debt Instrument [Line Items]
Debt Instrument Interest Rate Stated Percentage				4.25%
Long-term Debt			$ 1,113,478	$ 1,112,409
Senior notes 4.25% due 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument Interest Rate Stated Percentage			4.25%
Long-term Debt							$ 300,000
Debt instrument, maturity date			Jul. 31, 2024
Redemption price, percentage of principal amount			100.00%
Additional issuance of long-term debt			$ 200,000
Senior notes 5.20% due 2047 [Member]
Debt Instrument [Line Items]
Debt Instrument Interest Rate Stated Percentage			5.20%	5.20%
Long-term Debt						$ 200,000
Debt instrument, maturity date			Oct. 31, 2047
Redemption price, percentage of principal amount			100.00%
Additional issuance of long-term debt		$ 25,000
Senior notes 4.00% due 2030 [Member]
Debt Instrument [Line Items]
Debt Instrument Interest Rate Stated Percentage			4.00%	4.00%
Long-term Debt					$ 400,000
Debt instrument, maturity date			May 31, 2030
Senior notes 4.00% due 2030 [Member] \| After February 15, 2030 [Member]
Debt Instrument [Line Items]
Redemption price, percentage of principal amount			100.00%
Senior notes 4.00% due 2030 [Member] \| Measurement Input, Discount Rate [Member] \| Prior to February 15, 2030 [Member]
Debt Instrument [Line Items]
Redemption at treasury rate basis point			50.00%
Senior notes 4.00% due 2030 [Member] \| Forecast
Debt Instrument [Line Items]
Redemption price, percentage of principal amount	100.00%