Income Taxes Income Taxes (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Sep. 27, 2014	Sep. 28, 2013
Income Tax Holiday [Line Items]
Deferred Tax Liabilities, Net	$ 64.7us-gaap_DeferredTaxLiabilities
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	19.5
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	3.5
Effective Income Tax Rate Reconciliation, Percent	0.90%	72.90%
Other Noncurrent Liabilities [Member]
Income Tax Holiday [Line Items]
Unrecognized Tax Benefits	19.5
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 8.6

Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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