Amortization of debt issuance costs and discount.

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Represents the maximum leverage ratio required to be maintained under the financial covenants after year one.

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No definition available.

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Debt instrument covenant maximum leverage ratio after year two.

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Represents the maximum leverage ratio required to be maintained under the financial covenants for period one.

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No definition available.

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Debt instrument covenant maximum leverage ratio for year two.

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Represents the minimum interest coverage ratio required to be maintained under the financial covenants after year one.

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No definition available.

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Debt instrument covenant minimum interest coverage ratio after year two.

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Represents the minimum interest coverage ratio required to be maintained under the financial covenants for year one.

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No definition available.

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Debt instrument covenant minimum interest coverage ratio for year two.

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Debt instrument expected initial margin rate.

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Represents the floor rate of a debt instrument.

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Debt instrument maturity year.

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Debt instrument redemption notice period.

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Represents the percentage of issue price of principal amount.

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Debt instrument redemption price percentage if change of control takes place .

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Debt instrument redemption price percentage if sells of assets takes place.

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

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the eighth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the eleventh fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the ninth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the sixth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Term of notice period for redemption of Senior Notes

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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

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No definition available.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The average effective interest rate during the reporting period.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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

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

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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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 designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

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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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Date the credit facility terminates, in CCYY-MM-DD format.

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Description of the frequency of the required periodic payments of interest, principal, or both, and the amount, if set, or a description of a formula upon which payment is based.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of the required periodic payment applied to principal.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Long-Term Debt - Additional Information (Details) - USD ($)				3 Months Ended
	Apr. 17, 2017	Mar. 29, 2017	Jul. 23, 2015	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Jul. 31, 2015
Long-term debt
Scheduled maturities of long-term debt in 2020				$ 23,000,000
Scheduled maturities of long-term debt in 2022				395,300,000
Scheduled maturities of long-term debt in 2023				375,000,000
Scheduled maturities of long-term debt in 2025				375,000,000
Debt issuance costs and discount							$ 26,300,000
ESCROW CASH				$ 376,750,000
Debt instrument interest rate terms				however, that in no event will LIBOR be less than zero or the base rate be less than 1.00% over the term of the New Term Loan Facility or the New Revolving Credit Facility.
Maximum required leverage ratio, from January 1, 2017 to December 31, 2017				600.00%
Maximum required leverage ratio, after December 31, 2017				500.00%
Minimum required interest coverage ratio, January 1, 2017 to December 31, 2017				275.00%
Minimum required interest coverage ratio, after December 31, 2017				300.00%
Borrowings under Revolving Credit Facility				$ 23,000,000	$ 14,000,000
Subsequent Event \| Isle Acquisition
Long-term debt
Acquisition date	May 01, 2017
7% Senior Notes \| Minimum
Long-term debt
Notification period on or after August 1, 2018				30 days
7% Senior Notes \| Maximum
Long-term debt
Notification period on or after August 1, 2018				60 days
New Term Loan
Long-term debt
New senior secured term loan facility			$ 425,000,000
Term of debt			7 years
Amount outstanding				$ 417,600,000
Interest rate				4.25%
New Term Loan \| LIBOR
Long-term debt
Spread on variable rate (as a percent)				3.25%
Floor rate (as a percent)				1.00%
New Term Loan \| Base rate
Long-term debt
Spread on variable rate (as a percent)				2.25%
New Revolving Credit Facility
Long-term debt
New senior secured term loan facility			$ 150,000,000
Term of debt			5 years
Amount outstanding				$ 23,000,000
Available borrowing capacity				$ 127,000,000
Interest rate				6.00%
Commitment fee on unused portion of the credit facility				0.50%
New Revolving Credit Facility \| Minimum \| LIBOR
Long-term debt
Spread on variable rate (as a percent)				2.50%
New Revolving Credit Facility \| Minimum \| Base rate
Long-term debt
Spread on variable rate (as a percent)				1.50%
New Revolving Credit Facility \| Maximum \| LIBOR
Long-term debt
Spread on variable rate (as a percent)				3.25%
New Revolving Credit Facility \| Maximum \| Base rate
Long-term debt
Spread on variable rate (as a percent)				2.25%
New Term Loan Facility
Long-term debt
Credit facility maturity date				Apr. 17, 2024
Credit facility quarterly principal payments				$ 3,625,000
Credit facility, payment terms				The Company will be required to make quarterly principal payments in an amount equal to $3,625,000 on the New Term Loan Facility on the last day of each fiscal quarter beginning on June 30, 2017.
New Term Loan Facility \| Subsequent Event
Long-term debt
ESCROW CASH	$ 4,500,000
New senior secured term loan facility	1,450,000,000
New Term Loan Facility \| LIBOR
Long-term debt
Spread on variable rate (as a percent)				2.25%
New Term Loan Facility \| Base rate
Long-term debt
Spread on variable rate (as a percent)				1.25%
New Revolving Credit Facility
Long-term debt
Maximum required leverage ratio, from January 1, 2017 to December 31, 2017				650.00%
Minimum required interest coverage ratio, January 1, 2017 to December 31, 2017				200.00%
Credit facility maturity date				Apr. 17, 2022
Maximum required leverage ratio, year two				600.00%
Maximum required leverage ratio, after year two				550.00%
Minimum required interest coverage ratio, year two				250.00%
Minimum required interest coverage ratio, after year two				275.00%
New Revolving Credit Facility \| Subsequent Event
Long-term debt
New senior secured term loan facility	$ 300,000,000
New Revolving Credit Facility \| LIBOR
Long-term debt
Debt instrument expected initial margin rate				2.25%
New Revolving Credit Facility \| Base rate
Long-term debt
Debt instrument expected initial margin rate				1.25%
New Revolving Credit Facility \| Minimum \| LIBOR
Long-term debt
Spread on variable rate (as a percent)				1.75%
New Revolving Credit Facility \| Minimum \| Base rate
Long-term debt
Spread on variable rate (as a percent)				0.75%
New Revolving Credit Facility \| Maximum \| LIBOR
Long-term debt
Spread on variable rate (as a percent)				2.50%
New Revolving Credit Facility \| Maximum \| Base rate
Long-term debt
Spread on variable rate (as a percent)				1.50%
7% Senior Notes
Long-term debt
Long-term debt, gross			$ 375,000,000	$ 375,000,000		$ 375,000,000
Interest rate (as a percent)			7.00%
Percentage of issue price of principal amount			100.00%
Senior notes, maturity date				Aug. 01, 2023
7% Senior Notes \| Prior to August 1, 2018
Long-term debt
Redemption price on notes redeemed (as a percent)			107.00%
Percentage of issue price of principal amount			101.00%
Percentage of repurchase			100.00%
7% Senior Notes \| Prior to April 1, 2020
Long-term debt
Redemption price (as a percent)				101.75%
7% Senior Notes \| Maximum \| Prior to August 1, 2018
Long-term debt
Redemption price (as a percent)			35.00%
6% Senior Notes \| Subsequent Event
Long-term debt
Interest rate (as a percent)	6.00%
Borrowings under Revolving Credit Facility	$ 135,000,000
6% Senior Notes \| Eagle II Acquisition Company LLC
Long-term debt
Long-term debt, gross		$ 375,000,000
Interest rate (as a percent)		6.00%
Senior notes, maturity date				Apr. 01, 2025
ESCROW CASH		$ 1,900,000
Debt instrument interest rate terms				The 6% Senior Notes will mature on April 1, 2025, with interest payable semi-annually in arrears on April 1 and October 1, commencing October 1, 2017.
6% Senior Notes \| Prior to August 1, 2018
Long-term debt
Redemption price on notes redeemed (as a percent)		106.00%
Percentage of issue price of principal amount		101.00%
Percentage of repurchase		100.00%
6% Senior Notes \| Minimum
Long-term debt
Notification period on or after April 1, 2020				30 days
6% Senior Notes \| Maximum
Long-term debt
Notification period on or after April 1, 2020				60 days
6% Senior Notes \| Maximum \| Prior to August 1, 2018
Long-term debt
Redemption price (as a percent)		35.00%
5.875% Senior Notes \| Subsequent Event
Long-term debt
Interest rate (as a percent)	5.875%
Debt instrument maturity year	2021
8.875% Senior Notes \| Subsequent Event
Long-term debt
Interest rate (as a percent)	8.875%
Debt instrument maturity year	2020
7% Senior Notes
Long-term debt
Amortization of debt issuance costs and discount				$ 900,000	$ 800,000
Notes \| Prior to August 1, 2018
Long-term debt
Redemption price on notes redeemed (as a percent)			100.00%
Notes \| Prior to April 1, 2020
Long-term debt
Redemption price on notes redeemed (as a percent)		100.00%