Stockholders' Equity Share Repurchase (Details) - USD ($)	3 Months Ended
	Mar. 28, 2017	Mar. 29, 2016	May 19, 2016
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Accrued	$ 0	$ 7,465,000
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	235,936
Treasury Stock Acquired, Average Cost Per Share	$ 211.89
Stock Repurchased and Retired During Period, Value	$ 50,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 347,700,000