Fair Value Measurements Estimated Fair Values and Carrying Amounts (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cost method investments	$ 20,898	$ 20,868
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cost method investments	20,898	20,868	[1]
Term Loan Facility | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long term debt	2,350,477	2,328,038
Term Loan Facility | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long term debt	2,324,115	2,328,092	[1]
Senior Notes | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long term debt	1,075,250	1,108,250
Senior Notes | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long term debt	1,082,579	1,082,534	[1]
Dreamcatcher Credit Facility | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long term debt	17,806	18,587
Dreamcatcher Credit Facility | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long term debt	$ 17,762	$ 18,725	[1]

[1] (1) December 31, 2015 balances have been reclassified to present debt issuance costs as a direct deduction from the carrying amount of an associated debt liability in accordance with ASU 2015-03. See Note 1 for further information.