Share Repurchase Authorization Share Repurchase Authorization (Details) - USD ($)	12 Months Ended
	Dec. 27, 2016	Dec. 29, 2015	Dec. 30, 2014	May 19, 2016	Apr. 15, 2015	Jun. 05, 2014	Aug. 23, 2012
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock	$ 377,193,000	$ 405,513,000	$ 159,503,000
2012 Repurchase Agreement [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount							$ 600,000,000
Repurchase of common stock			$ 87,500,000
Treasury Stock Acquired, Average Cost Per Share			$ 170.15
Repurchase of common stock			514,357
2014 Repurchase Authorization [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount					$ 750,000,000	$ 600,000,000.0
Repurchase of common stock	$ 168,900,000	$ 399,900,000	$ 66,600,000
Treasury Stock Acquired, Average Cost Per Share	$ 201.15	$ 181.65	$ 155.78
Repurchase of common stock	839,759	2,201,719	427,521
Repurchase Agreements [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock	$ 371,200,000	$ 399,900,000	$ 154,100,000
Treasury Stock Acquired, Average Cost Per Share	$ 204.46	$ 181.65	$ 163.62
Repurchase of common stock	1,815,432	2,201,719	941,878
2016 Repurchase Authorization [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 397,700,000
Stock Repurchase Program, Authorized Amount				$ 600,000,000
Repurchase of common stock	$ 202,300,000
Treasury Stock Acquired, Average Cost Per Share	$ 207.31
Repurchase of common stock	975,673