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- Definition

Convertible note hedge shares

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line of credit, increase in maximum borrowing capacity

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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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The average effective interest rate during the reporting period.

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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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Face (par) amount of the original debt instrument that was repurchased.

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No definition available.

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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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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The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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Debt Obligations (Narrative) (Details) - USD ($) shares in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020	Jan. 01, 2022	Dec. 31, 2021	Apr. 13, 2021	Jan. 28, 2020	Sep. 25, 2017
Debt Instrument [Line Items]
Long term obligations		$ 1,369,643,000				$ 1,299,363,000
Unsecured Debt		577,974,000				697,162,000
Proceeds from Issuance of Unsecured Debt		0	$ 207,400,000
Convertible Debt		256,639,000			$ (255,861,000)	231,646,000
Unamortized Debt Issuance Expense					(2,889,000)
Debt Instrument, Unamortized Discount					0
Debt Instrument, Interest Rate, Stated Percentage [Abstract]
Debt Instrument, Repurchased Face Amount		120,000,000
Gain (Loss) on Repurchase of Debt Instrument		4,500,000
Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt Issuance Costs, Line of Credit Arrangements, Net		5,700,000				7,800,000
Revolving credit facility [Member]
Debt Instrument [Line Items]
Long term obligations		$ 525,000,000				360,000,000
Variable interest rate		4.10%
Credit facility, revolving credit loan, remaining borrowing capacity		$ 259,700,000
line of credit, increase in maximum borrowing capacity		800,000,000				600,000,000
Bonds [Member]
Debt Instrument [Line Items]
Unsecured Debt		$ 578,000,000					$ 200,000,000	$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage								4.75%
Proceeds from Issuance of Unsecured Debt	$ 205,500,000			$ 495,000,000
Convertible Debt [Member]
Debt Instrument [Line Items]
Variable interest rate		1.125%
Convertible Debt		$ 258,750,000			$ (258,750,000)	258,750,000			$ 258,800,000
Convertible note hedge shares									8,100
Warrants and Rights Outstanding		38,500,000
Unamortized Debt Issuance Expense		(2,111,000)				(2,889,000)
Debt Instrument, Unamortized Discount		$ 0				$ (24,215,000)
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member]
Debt Instrument [Line Items]
Convertible note hedge fair value									$ 56,100,000