Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 28, 2012	Sep. 28, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Income tax expense for uncertain tax position	$ 12.7	$ 12.7
Accrued tax expense from prior years tax positions, which would have a favorable impact on the effective tax rate, if recognized	1.4	1.4
Net tax benefit for changes in uncertain tax positions due to statute of limitations expirationsand settlement of tax exposures in various tax jurisdictions	1.3
Change in unrecognized tax benefit	6	6
Valuation Allowance, Deferred Tax Asset, Change in Amount		15
Deferred Tax Assets, Gross			$ 5.3