Investments TV Food Network (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 29, 2015	Mar. 30, 2014	Dec. 28, 2014
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 1,629,112us-gaap_EquityMethodInvestments		$ 1,689,996us-gaap_EquityMethodInvestments
Income on equity investments, net	36,934	38,263
Distributions from equity investments	94,906	120,270
Television Food Network, G.P.
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	31.30%
Equity method investments	1,287,000		1,354,000
Income on equity investments, net	29,000	28,000
Distributions from equity investments	95,000	120,000
Revenues, net	261,223	260,285
Operating income	130,202	125,495
Net income	$ 133,643	$ 129,872

Equity Method Investment, Summarized Financial Information, Operating Income (Loss)

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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