Accumulated Other Comprehensive Income (Loss) Table 2 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2013		Mar. 31, 2012
Derivative instruments, losses reclassified from accumulated OCI to income, before tax	$ (0.2)
Derivative instruments, losses reclassified from accumulated OCI to income, tax	0.1
Derivative instruments, losses reclassified from accumulated OCI to income, net of tax	(0.1)
Amortization of Defined Denefit Plan Items [Abstract]
Amortization of prior service cost (credit), reclassified from accumulated OCI to income	0.7	[1]
Amortization of net actuarial losses, reclassified from accumulated OCI to income	(14.2)	[1]
Amortization of defined benefit pension items, reclassified from accumulated OCI to income, before tax	(13.5)
Amortization of defined benefit pension items, reclassified from accumulated OCI to income, tax	2.9
Amortization of defined benefit pension items, reclassified from accumulated OCI to income, net of tax	(10.6)
Total reclassifications to income	(10.7)
Cash Flow Hedging [Member]
Derivative instruments, losses reclassified from accumulated OCI to income	(0.2)		(2.4)
Cost of Sales [Member] | Cash Flow Hedging [Member] | Commodity Contract [Member]
Derivative instruments, losses reclassified from accumulated OCI to income	$ (0.2)		$ (0.3)

[1] These components of AOCI are included in the computation of net periodic pension and other postretirement benefit cost. See Note 15, "Pension and Other Postretirement Benefits" for additional details.