Employee Retirement Plans Additional Information (Details) $ in Millions	6 Months Ended
	Jul. 02, 2016 USD ($) plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost	$ 12.1
Number of defined contribution 401K savings plans | plan	2
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Expected Return on Plan Assets	$ 35.2
Defined Benefit Plan, Service Cost	1.8
Defined Benefit Plan, Interest Cost	$ 21.3