Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Commitments And Contingencies [Line Items]
Commitments under agreements not previously accrued (termination without cause)	$ 6.8	$ 4.7
AdditionalCompensationExpenseRelatedToChangeInControl	5.2
Rental expense	27.2	25.3	$ 23.9
Purchase commitments for inventory	97.2	105.2
Letters of credit	9.2	11.4
Gain on Business Interruption Insurance Recovery			$ 4.0
Financial Guarantee [Member]
Commitments And Contingencies [Line Items]
Outstanding aggregate balance on loans	139.3	$ 130.3
Increase in Amount Of Loans Guaranteed	$ 9.0
Percentage of outstanding loans under the guarantee	25.00%
Percentage of new loans issued	25.00%
Minimum
Commitments And Contingencies [Line Items]
Advance contract period for purchase commitment of major ingredients and packaging (months)	3 months
Contract to receive services from syndicated market data provider	$ 3.0
Maximum
Commitments And Contingencies [Line Items]
Advance contract period for purchase commitment of major ingredients and packaging (months)	12 months
Contract to receive services from syndicated market data provider	$ 4.0
All Natural [Member]
Commitments And Contingencies [Line Items]
Loss Contingency Accrual	2.8
IBO Network [Member]
Commitments And Contingencies [Line Items]
Loss Contingency Accrual	$ 2.9