Debt Instrument, Issue Price, Percentage of Par Value

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- Definition

Debt Instrument, Variable Rate, Floor

+ References

No definition available.

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- Definition

Gain (Loss) on Extinguishment of Debt, Net of Tax

+ References

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

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

+ References

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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

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

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

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Borrowings - Senior Secured Notes - Table and Narrative (Details)	3 Months Ended		12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2020 GBP (£)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 EUR (€)	Dec. 31, 2020 GBP (£)
Debt Instrument [Line Items]
Senior secured notes	$ 1,651,619,000		$ 1,651,619,000	$ 1,129,039,000
Debt issued	583,500,000		583,500,000	672,855,000
Loss on extinguishment of debt			(40,951,000)	(8,989,000)	$ (2,693,000)
Cabot 2023 Notes \| Secured Debt
Debt Instrument [Line Items]
Senior secured notes	$ 309,034,000		$ 309,034,000	680,118,000			£ 226,200,000
Stated interest rate	7.50%		7.50%			7.50%	7.50%
Debt issued	$ 700,700,000		$ 700,700,000				£ 512,900,000
Debt Instrument, Redemption Price, Percentage	101.875%	101.875%
Early Repayment of Senior Debt	$ 391,700,000	£ 286,700,000
Loss on extinguishment of debt			12,800,000
Gain (Loss) on Extinguishment of Debt, Net of Tax			10,300,000
Cabot 2024 Floating Rate Notes \| Secured Debt
Debt Instrument [Line Items]
Senior secured notes	0		0	448,921,000
Debt issued	$ 487,700,000		$ 487,700,000			€ 400,000,000.0
Variable rate floor	0.00%		0.00%			0.00%	0.00%
Loss on extinguishment of debt			$ 13,100,000
Gain (Loss) on Extinguishment of Debt, Net of Tax			10,600,000
Encore 2025 Notes \| Secured Debt
Debt Instrument [Line Items]
Senior secured notes	$ 426,752,000		$ 426,752,000	0
Stated interest rate	4.875%		4.875%			4.875%	4.875%
Debt issued	$ 410,800,000		$ 410,800,000			€ 350,000,000.0
Issuance price	98.889%		98.889%			98.889%	98.889%
Encore 2026 Notes \| Secured Debt
Debt Instrument [Line Items]
Senior secured notes	$ 409,827,000		$ 409,827,000	0
Stated interest rate	5.375%		5.375%			5.375%	5.375%
Debt issued \| £							£ 300,000,000.0
Issuance price	100.00%		100.00%			100.00%	100.00%
Encore 2028 Floating Rate Notes \| Secured Debt
Debt Instrument [Line Items]
Senior secured notes	$ 506,006,000		$ 506,006,000	$ 0
Basis spread on variable rate (as a percent)			4.25%
Debt issued	$ 506,000,000.0		$ 506,000,000.0			€ 415,000,000.0
Variable rate floor	0.00%		0.00%			0.00%	0.00%
Issuance price	99.00%		99.00%			99.00%	99.00%
Euro Interbank Offered Rate (EURIBOR) \| Cabot 2024 Floating Rate Notes \| Secured Debt
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			6.375%
Euro Interbank Offered Rate (EURIBOR) \| Encore 2028 Floating Rate Notes \| Secured Debt
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			4.25%