Stockholders' Equity (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended	6 Months Ended	12 Months Ended			2 Months Ended
	Feb. 19, 2014	Jun. 29, 2014	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012	Feb. 18, 2015	Aug. 31, 2014	Jan. 31, 2014	Nov. 30, 2012
Common Stock, Dividends, Per Share, Cash Paid			$ 0.21	$ 0.18	$ 0.10
Number of Shares, beginning of year		470,424	470,424	470,424	470,424
Number of Shares, end of year			470,424	470,424	470,424
Stockholders' Equity Activity
Repurchases of common stock	29,730		2,986	8,720	0
Stock Repurchase Program, Authorized Amount							$ 100,000	$ 275,000	$ 100,000
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions	275,000		23,889	69,167
Stock Repurchase Program, Purchase Commissions			52	153
Stock Repurchase Program, Cost Incurred		2,275
Preferred Stock, Shares Authorized			100,000	100,000	100,000
Preferred Stock, Shares Issued			0	0	0
Amount of Restricted Net Assets for Consolidated Subsidiaries			843,000
Restricted Net Assets as Percentage of Consolidated Equity			49.00%
Cash Dividends Paid to Parent Company by Consolidated Subsidiaries			210,000	170,000	0
Subsequent Event [Member]
Stockholders' Equity Activity
Repurchases of common stock						545
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions						5,996
Stock Repurchase Program, Purchase Commissions						$ 10
Common Stock Held in Treasury
Stockholders' Equity Activity
Number of Shares at beginning of year		77,637	77,637	78,051	80,700
Repurchases of common stock			32,716	8,720	0
Common shares issued, stock options, net			(4,930)	(8,771)	(2,079)
Common shares issued, restricted stock, net			(732)	(202)	(211)
Common shares issued, Director fees			(24)	(35)	(45)
Common shares issued, Other			(53)	(126)	(314)
Number of Shares at end of year			104,614	77,637	78,051