Stockholders' Equity Share Repurchase (Details) - USD ($)	6 Months Ended
	Jun. 28, 2016	May 19, 2016	Apr. 15, 2015	Jun. 05, 2014
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Shares	964,711
Treasury Stock Acquired, Average Cost Per Share	$ 203.39
Stock Repurchased and Retired During Period, Value	$ 196,200,000
2014 Repurchase Authorization [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount			$ 750,000,000	$ 600,000,000
Stock Repurchased and Retired During Period, Shares	839,759
Treasury Stock Acquired, Average Cost Per Share	$ 201.15
Stock Repurchased and Retired During Period, Value	$ 168,900,000
2016 Repurchase Authorization [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount		$ 600,000,000
Stock Repurchased and Retired During Period, Shares	124,952
Treasury Stock Acquired, Average Cost Per Share	$ 218.45
Stock Repurchased and Retired During Period, Value	$ 27,300,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 572,700,000