Pensions Net Benefit Cost (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Pension Plans, Defined Benefit [Member]
Components of Net Benefit Cost (Income)
Service Cost-Benefits Earned	$ 3.1	$ 3.1
Interest Cost on Benefit Obligation	12.8	13.4
Expected Return on Plan Assets	(13.8)	(14.3)
Amortization of Actuarial Net Loss (Gain)	1.7	1.4
Special Termination Benefits	0.2	0
Net Periodic Benefit Cost (Income)	4.0	3.6
Other Postretirement Benefits [Member]
Components of Net Benefit Cost (Income)
Service Cost-Benefits Earned	0.2	0.2
Interest Cost on Benefit Obligation	0.5	0.5
Amortization of Actuarial Net Loss (Gain)	0	(0.1)
Net Periodic Benefit Cost (Income)	$ 0.7	$ 0.6