Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Accumulated Other Comprehensive Income Defined Benefit Plans Net Unamortized Loss Tax	$ (14.3)	$ (25.7)
FIFO LIFO valuation difference	58.2	60.0
Commitments for purchases of property, plant, and equipment	$ 18.8
Shares excluded from the calculation of the effect of dilutive securities	0.7	0.3	0.7
Long-term rate of return on plan assets	8.00%	8.30%	8.30%