Equity Method Investment (Details) $ in Thousands		12 Months Ended
	Oct. 31, 2009 USD ($) Installments	Dec. 27, 2015 USD ($)	Dec. 28, 2014 USD ($)	Dec. 29, 2013 USD ($)	Sep. 23, 2014
Schedule of Equity Method Investments [Line Items]
Acquired interest in joint venture, Discovery Family Channel	50.00%				40.00%
Payment for purchase of interest in joint venture	$ 300,000
Equity Method Investment and Joint Venture Investment Restructuring Net Pre-Tax Charges			$ 28,326
Percentage of fair market value of equity method investment			80.00%
Equity Method Investment and Joint Venture Investment Option Agreement Charges		$ 0	$ (25,590)
Present value of total expected future payments at acquisition date based on tax benefits		67,900
Payments made to Discovery under tax sharing agreement		4,971	7,010	$ 6,541
Minimum royalty guarantee	$ 125,000
Number of annual installments for minimum royalty guarantee | Installments	5
Earn-out period for minimum royalty guarantee	10 years
Amount of annual installment for minimum royalty guarantee	$ 25,000			25,000
Other Assets [Member]
Schedule of Equity Method Investments [Line Items]
Interest in joint venture		242,932	244,587
Royalty Expense [Member]
Schedule of Equity Method Investments [Line Items]
Royalty benefit as a result of licensing terms modification			2,328
Discovery Communications, Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Joint Venture - Ownership Interest					60.00%
Proceeds from partial sale of equity interest in joint venture			64,400
Equity Method Investment and Joint Venture Investment Option Agreement Charges			(25,590)
Net (gains) losses related to change in value of joint venture option agreement		3,020	(250)
Discovery Communications, Inc. [Member] | Other Liabilities [Member]
Schedule of Equity Method Investments [Line Items]
Option Agreement		28,360	25,340
Liability associated with investment in joint venture, including imputed interest		$ 54,521	55,107
Discovery Communications, Inc. [Member] | Other Expense [Member]
Schedule of Equity Method Investments [Line Items]
Reduction of payments due to discovery under tax sharing agreement			12,834
Discovery Family Channel [Member]
Schedule of Equity Method Investments [Line Items]
Acquired interest in joint venture, Discovery Family Channel		40.00%
Prepaid Royalties		$ 77,482	89,328
Discovery Family Channel [Member] | Other Assets [Member]
Schedule of Equity Method Investments [Line Items]
Prepaid Royalties		63,247	77,121
Discovery Family Channel [Member] | Prepaid Expenses and Other Current Assets [Member]
Schedule of Equity Method Investments [Line Items]
Prepaid Royalties		14,235	12,207
Discovery Family Channel [Member] | Other Expense [Member]
Schedule of Equity Method Investments [Line Items]
Earnings (loss) of joint venture		$ 19,045	(9,187)	$ (2,386)
Share of losses of joint venture related to restructuring			$ 17,278