Goodwill and Other Intangible Assets (Goodwill Aquisition) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended	0 Months Ended
	Jan. 03, 2012	Dec. 31, 2012	Jan. 03, 2013 Subsequent Event [Member] After 1 Year of Meeting Supply Target [Member]	Jan. 03, 2013 Subsequent Event [Member] After Year 2, Year 3 and Year 4 of Meeting Supply Target [Member]
Other Assets [Line Items]
Up-front payment	$ 63.0
Additional contingent cash payment	84.0			16.7
Contingent payment period	4 years
Conditional payment, amount paid			34.0
Gross carrying amount		149.4
Accumulated amortization		$ 6.0
Agreement term		25 years