Employee Benefit Plans Employee Benefit Plans Narrative 1 (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2005	Dec. 31, 2016 USD ($) plan	Jan. 02, 2016 USD ($)	Jan. 03, 2015 USD ($)	Jan. 07, 2014 USD ($)
Employee Benefit Plans [Line Items]
Investment Horizon of Greater Than		10 years
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax		$ 19.4	$ 19.7
Defined Benefit Plan, Number of Plans Terminated | plan		2
Domestic Pension Plan Benefits Percentage Of The Projected Benefit Obligation		75.00%	76.00%
Domestic Defined Benefit Plan Cash Contributions By Employer		$ 0.6	$ 0.4
Foreign Defined Benefit Plan Cash Contributions By Employer		4.7	9.2
Vion Ingredients [Member]
Employee Benefit Plans [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Pension and Other Postretirement Benefit Plan Obligations					$ 28.9
United States Postretirement Benefit Plan of US Entity [Member]
Employee Benefit Plans [Line Items]
Defined Contribution Plan, Employer Contribution Amount		9.2	9.3	$ 9.2
Foreign Pension Plan [Member]
Employee Benefit Plans [Line Items]
Defined Contribution Plan, Employer Contribution Amount		$ 6.2	$ 3.0	$ 3.5
Equity Securities [Member] | Domestic [Member]
Employee Benefit Plans [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum		65.00%
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum		20.00%
Fixed Income Securities [Member] | Domestic [Member]
Employee Benefit Plans [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum		80.00%
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum		35.00%
Maximum [Member]
Employee Benefit Plans [Line Items]
Multiemployer Plan, Contributions To Individual Plan, Percent		5.00%
Investment Objectives Achievement Period		7 years
Minimum [Member]
Employee Benefit Plans [Line Items]
Investment Objectives Achievement Period		5 years
Central States, Southeast and Southwest Areas Pension Plan [Member]
Employee Benefit Plans [Line Items]
Multiemployer Plans, IRS Extended Amortization Period	10 years