Debt, Net - Consolidated Debt and Capital Lease Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 29, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Senior secured notes	$ 325,000		$ 326,029
Encore convertible notes	483,500		483,500
Less: debt discount	(27,828)		(32,720)
Preferred equity certificates	262,379		253,324
Capital lease obligations	7,630		6,069
Debt and capital lease obligations, gross	3,571,033		3,492,999
Less: debt issuance costs, net of amortization	(40,618)		(46,123)
Total	3,530,415		3,446,876
Other
Debt Instrument [Line Items]
Other	71,212		92,792
Cabot securitisation senior facility
Debt Instrument [Line Items]
Revolving credit facility	383,003		391,790
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility	376,000		328,961
Cabot credit facility
Debt Instrument [Line Items]
Revolving credit facility	243,900		179,008
Other Credit Facility
Debt Instrument [Line Items]
Revolving credit facility	59,241		68,001
Term Loan
Debt Instrument [Line Items]
Encore term loan facility	200,799	$ 203,700	181,687
Senior Notes
Debt Instrument [Line Items]
Encore convertible notes	455,700		450,800
Senior Notes \| Cabot senior secured notes
Debt Instrument [Line Items]
Senior secured notes	1,188,074		1,216,485
Less: debt discount	$ (1,877)		$ (1,927)

Long-term Debt and Capital Lease Obligations, Including Current Maturities, Gross of Debt Issuances Costs

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- Definition

Preferred Equity Certificates

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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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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Amount, after accumulated amortization, of debt discount.

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

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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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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Amount of long-term debt classified as other.

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