Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 28, 2013	Sep. 28, 2013	Sep. 29, 2012
Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]
Interest paid		$ 50.7	$ 50.7
Income taxes paid		9.0	3.2
Non-cash assets and liabilities related to construction in prgress	15.5
Annual lease payments	$ 3.2
Annual lease payment term	10 years