Pensions Net Benefit Cost (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Pension Plans, Defined Benefit [Member]
Components of Net Benefit Cost (Income)
Service Cost-Benefits Earned	$ 2.9	$ 3.0	$ 8.9	$ 9.1
Interest Cost on Benefit Obligation	12.7	13.6	38.2	40.7
Expected Return on Plan Assets	(13.8)	(14.4)	(41.4)	(43.1)
Amortization of Actuarial Net Loss (Gain)	1.7	0.8	5.1	2.3
Amortization of Prior Service Benefit	(0.1)	0	(0.1)	0
Settlement/Curtailment (Gain) Loss	0.1	0	0	0
Special Termination Benefits	0	0	0.5	0.1
Net Periodic Benefit Cost (Income)	3.5	3.0	11.2	9.1
Other Postretirement Benefits [Member]
Components of Net Benefit Cost (Income)
Service Cost-Benefits Earned	0.1	0.1	0.5	0.5
Interest Cost on Benefit Obligation	0.4	0.4	1.4	1.4
Amortization of Actuarial Net Loss (Gain)	(0.1)	0	(0.1)	(0.2)
Net Periodic Benefit Cost (Income)	$ 0.4	$ 0.5	$ 1.8	$ 1.7