Goodwill, Other Intangible Assets And Intangible Liabilities - Changes in carrying amounts of intangible assets (details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2015		Dec. 28, 2014
Finite-lived Intangible Assets [Roll Forward]
Intangible assets subject to amortization, balance at December 28, 2014	$ 1,596,394	[1]
Amortization of intangible assets	(48,122)	[2]
Intangible assets subject to amortization, foreign currency translation adjustment	(1,656)
Intangible assets subject to amortization, balance at March 29, 2015	1,546,616	[1]
Indefinite-lived Intangible Assets [Roll Forward]
Other intangible assets not subject to amortization	801,400		801,400
Goodwill [Roll Forward]
Goodwill, balance at December 28, 2014	3,918,136
Goodwill, acquired during the period	109	[3]
Goodwill, foreign currency translation adjustment	(1,979)
Goodwill, balance at March 29, 2015	3,916,266
Total goodwill and other intangible assets	6,264,282		6,315,930
Lease Contract Intangible Assets
Finite-lived Intangible Assets [Roll Forward]
Amortization of intangible assets	(400)	[2]
Television and Entertainment
Finite-lived Intangible Assets [Roll Forward]
Intangible assets subject to amortization, balance at December 28, 2014	1,352,867
Amortization of intangible assets	(41,856)	[2]
Intangible assets subject to amortization, foreign currency translation adjustment	0
Intangible assets subject to amortization, balance at March 29, 2015	1,311,011
Indefinite-lived Intangible Assets [Roll Forward]
Other intangible assets not subject to amortization	801,400		801,400
Goodwill [Roll Forward]
Goodwill, balance at December 28, 2014	3,601,300
Goodwill, acquired during the period	0	[3]
Goodwill, foreign currency translation adjustment	0
Goodwill, balance at March 29, 2015	3,601,300
Total goodwill and other intangible assets	5,713,711
Digital and Data
Finite-lived Intangible Assets [Roll Forward]
Intangible assets subject to amortization, balance at December 28, 2014	243,527
Amortization of intangible assets	(6,266)	[2]
Intangible assets subject to amortization, foreign currency translation adjustment	(1,656)
Intangible assets subject to amortization, balance at March 29, 2015	235,605
Indefinite-lived Intangible Assets [Roll Forward]
Other intangible assets not subject to amortization	0		0
Goodwill [Roll Forward]
Goodwill, balance at December 28, 2014	316,836
Goodwill, acquired during the period	109	[3]
Goodwill, foreign currency translation adjustment	(1,979)
Goodwill, balance at March 29, 2015	314,966
Total goodwill and other intangible assets	$ 550,571

[1] Useful lives presented in the table above represent those used by the Company following the Publishing Spin-off.

[2] Amortization of intangible assets includes $0.4 million related to lease contract intangible assets and is recorded in direct operating expenses or selling, general and administrative expense, as applicable, in the Company’s unaudited condensed consolidated statements of operations.

[3] Acquisitions include the true-up of working capital for the acquisition of Baseline. See Note 3 for additional information regarding this acquisition.