Retirement and Post Retirement Plans (Schedule Of Reconciliation Of Funded Status Of The Defined Benefit Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 162.1	$ 126.6
Employer contributions	4.7	3.1
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Obligation at beginning of period	194.3	170.8
Service cost	10.0	2.5	$ 2.9
Interest cost	10.7	8.3	7.6
Actuarial (gain) loss	(18.2)	27.2
Benefits paid	11.7	13.3
Foreign currency translation	(0.8)	(1.2)
Acquisitions	70.8	0.0
Obligation at end of period	255.1	194.3	170.8
Defined Benefit Plan, Fair Value of Plan Assets	162.1	126.6	$ 128.6
Actual return on plan assets	(1.0)	8.8
Employer contributions	4.7	3.1
Foreign currency translation	(0.4)	(0.6)
Acquisitions	43.9	0.0
Funded status	(93.0)	(67.7)
Asset Retirement Obligation, Liabilities Settled	11.7	13.3
Postretirement Health Coverage [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Obligation at beginning of period	0.0
Service cost	0.1
Interest cost	0.5
Actuarial (gain) loss	2.9
Participant contributions	0.6
Benefits paid	3.1
Acquisitions	15.8
Obligation at end of period	16.8	$ 0.0
Employer contributions	$ 2.5