Pension Plans and Postretirement Benefits (Benefit Obligation) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Defined benefit plan, settlements, benefit obligation	$ 32.4
Pension Benefits Domestic Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation - beginning of year	768.9	846.9
Service cost - benefits earned during the year	11.7	14.4	12.7
Interest cost on projected benefit obligation	40.3	36.3	39.6
Actuarial (gain) loss	134.5	(78.4)
Benefits paid(a)	(78.6)	(50.3)
Plan amendments	1.6	0
Other - including foreign currency	0	0
Business combinations	0	0
Benefit obligation - end of year	878.4	768.9	846.9
Accumulated benefit obligation - end of year	875.5	767.6
Pension Benefits Foreign Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation - beginning of year	60.3	50.6
Service cost - benefits earned during the year	0.8	0.9	0.3
Interest cost on projected benefit obligation	2.2	1.9	1.7
Actuarial (gain) loss	11.4	1.4
Benefits paid(a)	(2.4)	(2.8)
Plan amendments	(0.1)	(0.1)
Other - including foreign currency	(11.1)	1.6
Business combinations	0	6.8
Benefit obligation - end of year	61.1	60.3	50.6
Accumulated benefit obligation - end of year	59.2	58.7
Postretirement Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation - beginning of year	11.9	14.3
Service cost - benefits earned during the year	0	0	0
Interest cost on projected benefit obligation	0.6	0.6	0.8
Actuarial (gain) loss	1.6	(1.7)
Benefits paid(a)	(1.3)	(1.3)
Benefit obligation - end of year	$ 12.8	$ 11.9	$ 14.3