Condensed Consolidated Statement Of Shareholders' Equity - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Class A Common Stock	Class B Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Additional Paid-In Capital	Treasury Stock	Non- controlling Interest	Special Cash Dividend	Special Cash Dividend Retained Earnings	Regular Cash Dividend	Regular Cash Dividend Retained Earnings	Regular Cash Dividend Additional Paid-In Capital
Balance at December 28, 2014, shares at Dec. 28, 2014		95,708,401	2,438,083
Balance at December 28, 2014 at Dec. 28, 2014	$ 5,195,431	$ 96	$ 2	$ 718,218	$ (46,541)	$ 4,591,470	$ (67,814)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	33,152			33,152
Other comprehensive loss, net of taxes	(9,398)				(9,398)
Comprehensive Income	23,754
Dividends payable to shareholders and accrued payments to warrant holders, $6.73 per share									$ (648,644)	$ (648,644)
Dividends											$ 24,100	$ 24,368	$ (268)
Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments	0	$ 2	$ (2)
Conversions of Class B Common Stock to Class A Common Stock, shares		2,401,409	(2,401,409)
WarrantExcercisesCost	0	$ 2				(2)
Warrant exercises, shares		1,694,981
Stock-based compensation	16,778					16,778
Net share settlements of stock-based awards	(3,665)					(3,665)
Net share settlements of stock-based awards, shares		144,266
Change in excess tax benefits from stock-based awards	(532)					(532)
Common stock repurchases	(185,200)						(185,200)
Noncontrolling Interest, Increase from Business Combination	1,324							1,324
Balance at June 30, 2015, shares at Jun. 30, 2015		99,949,057	36,674
Balance at June 30, 2015 at Jun. 30, 2015	$ 4,375,146	$ 100	$ 0	$ 78,358	$ (55,939)	$ 4,604,317	$ (253,014)	$ 1,324
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividend Equivalent Units, Dollar Value													$ (268)