Debt - Narrative (Details)					3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 24, 2015 USD ($)	Aug. 04, 2014 USD ($)	Mar. 31, 2014	Dec. 27, 2013 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 29, 2013 USD ($)	Dec. 31, 2015 USD ($)		Jun. 23, 2015 USD ($)
Debt Instrument [Line Items]
Long-term debt					$ 3,420,010,000		$ 3,420,010,000			$ 3,429,351,000	[1]
Cash dividends received		$ 275,000,000
Repayment of outstanding borrowings							13,920,000	$ 1,100,342,000
Debt discount paid							784,000	20,207,000
Loss on extinguishment of debt					0	$ 37,040,000	0	$ 37,040,000
Senior Secured Credit Agreement
Debt Instrument [Line Items]
Debt instrument, face amount				$ 4,073,000,000
Potential incremental facility, borrowing capacity				$ 1,000,000,000
Debt covenant, leverage ratio, maximum				4.5000
Standby letters of credit outstanding					23,000,000		23,000,000			23,000,000
Senior Secured Credit Agreement | Term Loan Facility
Debt Instrument [Line Items]
Debt instrument, face amount				$ 3,773,000,000
Long-term debt					2,320,137,000		2,320,137,000			2,328,092,000	[1]	$ 3,479,000,000
Quarterly installments, percent of principal due			0.25%
Repayment of outstanding borrowings		$ 275,000,000
Debt discount, percent				25.00%
Discount issued	$ 8,000,000			$ 9,000,000
Debt discount paid									$ 78,000,000
Debt issuance costs	64,000,000			$ 6,000,000	29,000,000		29,000,000			32,000,000
Loss on extinguishment of debt						30,000,000
Write-off of unamortized discount						4,000,000
Other debt extinguishment costs paid						4,000,000
Senior Secured Credit Agreement | Term Loan Facility | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Base rate floor				1.00%
Basis spread on variable rate				3.00%
Senior Secured Credit Agreement | Term Loan Facility | Federal Funds Effective Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate				0.50%
Senior Secured Credit Agreement | Term Loan Facility | Adjusted LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate				1.00%
Senior Secured Credit Agreement | Term Loan Facility | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate				2.00%
Senior Secured Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing capacity under senior secured credit facility				$ 300,000,000
Additional interest, percent				2.00%
Leverage ratio, not to exceed				5.25000
Percent of revolving commitments outstanding to require testing, percent				25.00%
Revolving credit facility borrowings outstanding					0		0			0
Senior Secured Credit Agreement | Revolving Credit Facility | Debt Instument, Fee Percentage, Amount One
Debt Instrument [Line Items]
Commitment fee, percent				0.25%
Senior Secured Credit Agreement | Revolving Credit Facility | Debt Instument, Fee Percentage, Amount Two
Debt Instrument [Line Items]
Commitment fee, percent				0.375%
Senior Secured Credit Agreement | Revolving Credit Facility | Debt Instument, Fee Percentage, Amount Three
Debt Instrument [Line Items]
Commitment fee, percent				0.50%
Senior Secured Credit Agreement | Revolving Credit Facility | Adjusted LIBOR | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate				2.75%
Senior Secured Credit Agreement | Revolving Credit Facility | Adjusted LIBOR | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate				3.00%
Senior Secured Credit Agreement | Revolving Credit Facility | Alternative Base Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate				1.75%
Senior Secured Credit Agreement | Revolving Credit Facility | Alternative Base Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate				2.00%
Senior Secured Credit Agreement | Letter of Credit
Debt Instrument [Line Items]
Fronting fee per annum, percent				0.125%
Amended Secured Credit Facility
Debt Instrument [Line Items]
Discount issued	4,000,000
Debt discount paid	6,000,000
Debt transaction costs	2,000,000
Debt issuance costs, gross	1,000,000
Amended Secured Credit Facility | Term B Loans
Debt Instrument [Line Items]
Long-term debt	2,379,000,000
Proceeds from issuance of debt	1,802,000,000
Prepayment of debt	$ 1,100,000,000
Additional interest, percent	2.00%
Quarterly installments, percent of principal due	0.25%
Premium payable on voluntary prepayments, percent	1.00%
Debt instrument payment terms, percent of excess cash flow, leverage ratio above threshold	50.00%
Debt instrument payment terms, percent of excess cash flow, leverage ratio threshold	4.000
Debt instrument payment terms, percent of excess cash flow, leverage ratio below threshold	0.00%
Minimum liquidity threshold	$ 500,000,000
Amended Secured Credit Facility | Term B Loans | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Base rate floor	0.75%
Basis spread on variable rate	3.00%
Amended Secured Credit Facility | Term B Loans | Federal Funds Effective Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Amended Secured Credit Facility | Term B Loans | Adjusted LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Amended Secured Credit Facility | Term B Loans | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
5.875% Senior Notes due 2022 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 1,100,000,000
Long-term debt					1,083,108,000		1,083,108,000			1,082,534,000	[1]
Debt discount paid						$ 19,000,000	1,000,000
Debt issuance costs					$ 16,892,000		$ 16,892,000			$ 17,466,000
Stated interest rate	5.875%				5.875%		5.875%			5.875%
Redemption price terms prior to July 15, 2018, percent of principal amount	100.00%
Redemption price terms July 15, 2018 to July 15, 2019, percent of principal amount	102.938%
Redemption price terms, July 15, 2019 to July 15, 2020, percent of principal amount	101.469%
Redemption price terms on or after July 15, 2020, percent of principal amount	100.00%
Redemption terms prior to July 15, 2018, percent of principal amount redeemable	40.00%
Redemption terms prior to July 15, 2018, price percent	105.875%
Potential repurchase offer price, percent of principal amount	101.00%
Potential purchase offer price, percent of principal amount	100.00%
Dreamcatcher Credit Facility Due 2018 | Secured Debt
Debt Instrument [Line Items]
Debt instrument, face amount				$ 27,000,000
Long-term debt					$ 16,765,000		$ 16,765,000			$ 18,725,000	[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.