Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended
	Jan. 01, 2012	Jul. 01, 2012	Jan. 01, 2012
Income Tax Contingency [Line Items]
Unrecognized tax benefits, gross		$ 47.8
Uncertain tax benefits if recognized that could affect the continuing operations effective tax rate		40.9
Uncertain tax positions including accrued interest, net of tax benefits and penalties, to be resolved within the next year		8.8
Unremitted Earnings Planned To Be Repatriated			350.0
Increase (decrease) to tax provision in discontinued operations	79.7
Repatriated Foreign Earnings		$ 229.2
Open Tax Years by Major Tax Jurisdiction, Begin Date		2003
Open Tax Years by Major Tax Jurisdiction, End Date		2011