Stockholders' Equity (Details) (USD $)	0 Months Ended
	Jan. 14, 2015	Dec. 28, 2014	Dec. 29, 2013	Apr. 13, 2004	Jan. 31, 2009	Feb. 19, 2015	Jan. 13, 2015
Class of Stock [Line Items]
Class A common stock, right to elect percentage of the board of directors		30.00%
Class B Common Stock available for conversion into Class A Common Stock		816,635	818,061
Class B common stock, right to elect percentage of the board of directors		70.00%
Minimum consideration for each share of preferred stock		$ 100
Adolph Ochs Family Trust [Member]
Class of Stock [Line Items]
Class B common stock ownership percentage		90.00%
Class A Common Stock
Class of Stock [Line Items]
Stock repurchase program, authorized amount				$ 400,000,000
Stock repurchase program, remaining authorized repurchase amount		91,400,000
Notes Due 2015 Called 2011 [Member]
Class of Stock [Line Items]
Warrants issued In connection with debt issuance					15,900,000
Class of warrant or right, exercise price of warrants or rights (USD per warrant)					$ 6.3572
Carlos Slim Helu [Member]
Class of Stock [Line Items]
Class-A Common Stock ownership percentage					8.00%
Subsequent Event [Member]
Class of Stock [Line Items]
Proceeds from warrant exercises	101,100,000
Subsequent Event [Member] | Class A Common Stock
Class of Stock [Line Items]
Stock repurchase program, authorized amount							101,100,000
Stock repurchase program, remaining authorized repurchase amount						$ 101,100,000