Pension Plans and Postretirement Benefits (Net Periodic Pension Benefit Expense) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Components of net period pension benefit expense
Net periodic benefit (income) expense	$ 1.7	$ 16.6	$ 6.6
Pension Benefits Domestic Plans
Components of net period pension benefit expense
Service cost - benefits earned during the period	11.7	14.4	12.7
Interest cost on benefit obligation	40.3	36.3	39.6
Expected return on plan assets	(73.7)	(70.1)	(65.5)
Amortization of prior service cost	(4.6)	(4.6)	(4.6)
Amortization of actuarial loss	24.6	40.6	24.4
Net periodic benefit (income) expense	(1.7)	16.6	6.6
Pension Benefits Foreign Plans
Components of net period pension benefit expense
Service cost - benefits earned during the period	0.8	0.9	0.3
Interest cost on benefit obligation	2.2	1.9	1.7
Expected return on plan assets	(2.6)	(2.0)	(1.7)
Amortization of prior service cost	0	0	0
Amortization of actuarial loss	0	0.1	0.1
Net periodic benefit (income) expense	0.4	0.9	0.4
Postretirement Plans
Components of net period pension benefit expense
Service cost - benefits earned during the period	0	0	0
Interest cost on benefit obligation	0.6	0.6	0.8
Amortization of prior service cost	(0.2)	(0.5)	(0.5)
Amortization of actuarial gain	0.5	0.3	0.4
Net periodic benefit (income) expense	$ (0.1)	$ (0.2)	$ (0.1)