Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

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

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Debt - Narrative (Details)				3 Months Ended			6 Months Ended
Debt - Narrative (Details)	Aug. 09, 2017 USD ($)	Feb. 01, 2017 USD ($)	Jan. 27, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 22, 2017	Dec. 31, 2016 USD ($)	Jun. 24, 2015 USD ($)
Debt Instrument [Line Items]
Long-term debt				$ 3,028,662,000			$ 3,028,662,000			$ 3,411,551,000
Debt discount paid							1,689,000	$ 784,000
Repayment of outstanding borrowings							589,661,000	13,920,000
Loss on extinguishment and modification of debt				0		$ 0	(19,052,000)	0
Senior Secured Credit Agreement
Debt Instrument [Line Items]
Standby letters of credit outstanding				22,000,000			22,000,000			23,000,000
Senior Secured Credit Agreement \| Term B Loans
Debt Instrument [Line Items]
Debt instrument, face amount			$ 600,000,000							2,343,000,000
Long-term debt				197,661,000			197,661,000			2,312,218,000
Debt instrument, unamortized discount and debt issuance costs				2,339,000			2,339,000			31,230,000
Senior Secured Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing capacity under senior secured credit facility			$ 420,000,000							300,000,000
Revolving credit facility borrowings outstanding				0			0			0
Leverage ratio, not to exceed			5.25
Debt issuance costs			$ 2,000,000
Senior Secured Credit Agreement \| Revolving Credit Facility \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Base rate floor			0.00%
Basis spread on variable rate			3.00%
Senior Secured Credit Agreement \| Revolving Credit Facility \| Federal Funds Effective Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.50%
Senior Secured Credit Agreement \| Revolving Credit Facility \| Adjusted LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%
Senior Secured Credit Agreement \| Revolving Credit Facility \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate			2.00%
Senior Secured Credit Agreement \| Term C Loans
Debt Instrument [Line Items]
Long-term debt			$ 1,761,000,000	1,732,285,000			1,732,285,000			0
Premium payable on voluntary prepayments, percent			1.00%
Debt Instrument, Percent to Trigger Required Testing			35.00%
Discount issued			$ 4,000,000
Debt discount paid					$ 13,000,000
Payment of debt issuance costs, deferred			$ 1,000,000
Debt instrument, unamortized discount and debt issuance costs				24,759,000			24,759,000
Senior Secured Credit Agreement \| Term C Loans \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Base rate floor			0.75%
Basis spread on variable rate			3.00%
Senior Secured Credit Agreement \| Term C Loans \| Federal Funds Effective Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate			0.50%
Senior Secured Credit Agreement \| Term C Loans \| Adjusted LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%
Senior Secured Credit Agreement \| Term C Loans \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate			2.00%
Senior Secured Credit Agreement \| Term Loan Facility
Debt Instrument [Line Items]
Payments of Debt Restructuring Costs					12,000,000
Debt instrument, unamortized discount and debt issuance costs				27,000,000			27,000,000			31,000,000
Amended Secured Credit Facility
Debt Instrument [Line Items]
Loss on extinguishment and modification of debt					19,052,000
Amended Secured Credit Facility \| Term B Loans
Debt Instrument [Line Items]
Repayment of outstanding borrowings		$ 400,000,000
Write off of Deferred Debt Issuance Cost					6,000,000
Debt Instrument, Unamortized Discount Write-off on Extinguishment					$ 1,000,000
Amended Secured Credit Facility \| Term Loan Facility
Debt Instrument [Line Items]
Debt issuance costs			$ 25,000,000
Discount issued			$ 6,000,000
5.875% Senior Notes due 2022
Debt Instrument [Line Items]
Debt Instrument, Period of Outstanding Principal Amount Prior to Maturity			91 days
5.875% Senior Notes due 2022 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount											$ 1,100,000,000
Long-term debt				$ 1,085,946,000			$ 1,085,946,000			$ 1,084,563,000
Debt Instrument, Long-term Debt Amount to Extend Maturity			$ 600,000,000
Stated interest rate				5.875%			5.875%			5.875%	5.875%
Debt issuance costs				$ 14,054,000			$ 14,054,000			$ 15,437,000
Debt discount paid								$ 1,000,000
Debt Instrument, Consent Vote Percentage									93.23%
Cash Flow Hedging \| Designated as Hedging Instrument \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative, Notional Amount			$ 500,000,000
Subsequent Event
Debt Instrument [Line Items]
Proceeds Received From FCC Spectrum Auction	$ 185,000,000
Subsequent Event \| Dreamcatcher Stations
Debt Instrument [Line Items]
Proceeds Received From FCC Spectrum Auction	$ 21,000,000