Retirement Benefit Plans (Net Periodic Benefit Cost and Weighted Average Assumptions) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Postretirement Benefits [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost and expenses	$ 0.1	$ 0.1	$ 0.1
Interest cost	0.5	0.5	0.7
Return on plan assets	0.0	0.0	0.0
Settlement/Curtailment	0.0	0.0	0.0
Defined Benefit Plan, Employee Contribution	0.0	0.0	0.0
Net deferral	(1.3)	(1.3)	(1.3)
Net periodic benefit cost (income)	(0.7)	(0.7)	$ (0.5)
Postretirement Benefits [Member] | UNITED STATES
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost and expenses	0.1	0.1
Interest cost	$ 0.5	$ 0.5
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, net periodic benefit cost	4.30%	3.50%	4.00%
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate, benefit obligations	3.30%	4.20%	3.50%
Pension Benefits [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost and expenses	$ 7.3	$ 8.4	$ 10.4
Interest cost	6.0	5.4	5.6
Return on plan assets	(4.1)	(4.4)	(4.4)
Settlement/Curtailment	0.7	1.3	1.0
Defined Benefit Plan, Employee Contribution	(0.2)	(0.2)	(0.2)
Net deferral	0.3	0.8	2.0
Net periodic benefit cost (income)	10.0	11.3	$ 14.4
Pension Benefits [Member] | UNITED STATES
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost and expenses	0.0	0.0
Interest cost	$ 1.6	$ 1.6
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, net periodic benefit cost	4.30%	3.30%	3.80%
Expected return on plan assets	7.00%	7.00%	7.30%
Salary growth rate, net periodic benefit cost	0.00%	0.00%	0.00%
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate, benefit obligations	3.30%	4.00%	3.30%
Salary growth rate, benefit obligations	0.00%	0.00%	0.00%
Pension Benefits [Member] | Foreign Plan [Member]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost and expenses	$ 7.3	$ 8.4
Interest cost	$ 4.4	$ 3.8
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Expected return on plan assets	2.60%	3.00%	3.10%
Salary growth rate, net periodic benefit cost	2.80%	2.80%	2.70%
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate, benefit obligations	1.90%	2.60%	2.20%