Stockholders' Equity (Deficit) (Details)		12 Months Ended
	Dec. 28, 2012 $ / shares	Dec. 31, 2015 item $ / shares shares	Dec. 31, 2014 $ / shares shares
Stockholders Equity (Deficit)
Preferred Stock, shares authorized		20,000,000	20,000,000
Preferred Stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Preferred Stock, shares outstanding		0	0
Class A common stock
Stockholders Equity (Deficit)
Common stock, shares authorized		1,600,000,000	1,600,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Common stock, shares outstanding		225,748,624	223,288,386
Votes per share			Class A
Cash Dividend
Cash dividend paid per share (in dollars per share) | $ / shares	$ 1.00
Class B common stock
Stockholders Equity (Deficit)
Common stock, shares authorized		800,000,000	800,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Common stock, shares outstanding		238,435,208	238,435,208
Votes per share		10
Number of shares of Class A common stock into which each share of common stock is convertible		1
Cash Dividend
Cash dividend paid per share (in dollars per share) | $ / shares	$ 1.00
Class C common stock
Stockholders Equity (Deficit)
Common stock, shares authorized		800,000,000	800,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Common stock, shares outstanding		0	0
Votes per share		one
Number of shares of Class A common stock into which each share of common stock is convertible			1
Votes per share in the event of change of control | item		10