Share Repurchase Authorization Share Repurchase Authorization (Details) (USD $)	12 Months Ended			16 Months Ended	33 Months Ended
	Dec. 31, 2013	Dec. 25, 2012	Dec. 27, 2011	Dec. 31, 2013	Aug. 23, 2012
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 247,900,000
Stock Repurchase Program, Authorized Amount	600,000,000				600,000,000
Stock Repurchased and Retired During Period, Value	339,409,000	31,566,000	96,605,000	352,100,000
Treasury Stock Acquired, Average Cost Per Share				$ 166.39
Stock Repurchased and Retired During Period, Shares				2,116,350
2009 Repurchase Authorization [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Value		5,000,000	90,800,000		247,600,000
Treasury Stock Acquired, Average Cost Per Share		$ 144.24	$ 103.55		$ 87.03
Stock Repurchased and Retired During Period, Shares		34,600	877,100		2,844,669
2012 Repurchase Agreement [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Value	$ 332,100,000	$ 20,000,000
Treasury Stock Acquired, Average Cost Per Share	$ 166.73	$ 161.00
Stock Repurchased and Retired During Period, Shares	1,992,250	124,100