Debt Instrument, Ownership Percentage Threshold, Declaration of Due and Payable

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- Definition

Reduction in the Company's potentially dilutive shares for computation of earnings per share due to debt extinguishment.

+ References

No definition available.

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- Definition

The principal amount of notes used in the determination of the initial conversion rate, which is subject to adjustment.

+ References

No definition available.

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- Definition

The amount of subsequent adjustments to additional paid in capital for convertible financial instruments where a component of equity and a component of debt are recognized.

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No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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- Definition

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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- 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.

+ References

No definition available.

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- Definition

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

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

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The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

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Debt - Narrative (Details) $ / shares in Units, shares in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 31, 2020 USD ($)	Sep. 30, 2020 USD ($) $ / shares shares	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) $ / shares	Sep. 30, 2019 USD ($)
Debt Instrument [Line Items]
Repurchases of senior notes				$ 179,735,000	$ 0
Loss on extinguishment of debt		$ (26,736,000)	$ 0	(26,736,000)	0
Total interest payments				$ 44,200,000	$ 38,500,000
9% Convertible Junior Subordinated Debentures
Debt Instrument [Line Items]
Conversion rate (in shares per $1,000 note)				0.0744718
Principal amount of notes used in determining conversion rate		$ 1,000		$ 1,000
Convertible debt, conversion price (in dollars per share) \| $ / shares		$ 13.43		$ 13.43
Stated interest rate		9.00%		9.00%
Extinguishment of debt, amount		$ 48,100,000
Repurchases of convertible junior subordinated debentures		61,600,000
Loss on extinguishment of debt		10,200,000
Reacquisition of convertible junior subordinated debentures-equity component		$ 2,700,000
Reduction in potentially dilutive shares due to debt extinguishment (in shares) \| shares		3.6
Senior Notes \| 5.75% Senior Notes Due 2023
Debt Instrument [Line Items]
Stated interest rate	5.75%	5.75%		5.75%
Debt instrument, face amount		$ 242,300,000		$ 242,300,000
Extinguishment of debt, amount	$ 182,700,000
Repurchases of senior notes	197,800,000
Loss on extinguishment of debt	$ 16,500,000
Senior Notes \| 5.25% Senior Notes Due 2028
Debt Instrument [Line Items]
Stated interest rate	5.25%	5.25%		5.25%
Debt instrument, face amount	$ 650,000,000	$ 650,000,000		$ 650,000,000
Proceeds from issuance of debt	$ 640,300,000
Other debt issuance costs, gross		$ 2,000,000.0		$ 2,000,000.0
Ownership percentage threshold for declaration of due and payable				25.00%
Senior Notes \| 5.25% Senior Notes Due 2028 \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Redemption price, percentage	102.625%
Senior Notes \| 5.25% Senior Notes Due 2028 \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Redemption price, percentage	102.625%
Senior Notes \| 5.25% Senior Notes Due 2028 \| Debt Instrument, Redemption, Period Two \| Treasury rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Senior Notes \| 5.25% Senior Notes Due 2028 \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Redemption price, percentage	102.625%
Senior Notes \| 5.25% Senior Notes Due 2028 \| Debt Instrument, Redemption, Period Four
Debt Instrument [Line Items]
Redemption price, percentage	101.313%
Senior Notes \| 5.25% Senior Notes Due 2028 \| Debt Instrument, Redemption, Period Five
Debt Instrument [Line Items]
Redemption price, percentage	100.00%