Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 28, 2013 Rate	Jun. 29, 2012 Rate	Jun. 28, 2013 Rate	Jun. 29, 2012 Rate	Dec. 31, 2008	Dec. 31, 2012	Dec. 08, 2011 Tax Return Examination Years 2002 through 2004 [Member]	Dec. 31, 2008 Tax Return Examination Years 2002 through 2004 [Member]	Jan. 23, 2012 Tax Return Examination Years 2005 through 2007 [Member]	Dec. 31, 2010 Tax Return Examination Years 2005 through 2007 [Member]	Mar. 29, 2013 Tax Return Examination Years 2004 through 2007 [Member]
Income Tax Contingency [Line Items]
Proposed tax adjustment from examination							$ 19.8	$ 34.5	$ 21.4	$ 34.2	$ 6.8
Income Taxes Paid					18.0
Effective Tax Rate	9.30%	(2.50%)	6.70%	(0.70%)
Tax Credit Carryforward, Amount	10.6		10.6
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions	2.3
Unrecognized Tax Benefits	291.6		291.6			275.9
Payments of Interest and Penalties Related to Uncertain Tax Positions (Approximately)	51.2		51.2			48.8
Business Combination, Indemnification Assets, Amount as of Acquisition Date	$ 6.5		$ 6.5