Income Taxes Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Income Tax Holiday [Line Items]
Deferred Tax Liabilities, Net	$ 19.3
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	24.2
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	4.1
Effective Income Tax Rate Reconciliation, Percent	138.70%	51.00%
Other Noncurrent Liabilities [Member]
Income Tax Holiday [Line Items]
Unrecognized Tax Benefits	24.2
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 9.7