Summary of Significant Accounting Policies (Foreign Currency Translation) (Details) - Venezuela $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2015 USD ($)	Jun. 28, 2014 USD ($)	Jun. 27, 2015 USD ($)	Jun. 28, 2014 USD ($)	Mar. 28, 2015	Feb. 28, 2015	Jan. 31, 2015	Mar. 29, 2014
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Net monetary assets	$ 2.0		$ 2.0
Translation Adjustment Functional to Reporting Currency, Net of Tax	(25.5)		(25.5)
Other expense
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	$ (1.8)	$ (22.2)	$ (11.1)	$ (35.7)
Official Rate [Member]
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Foreign Currency Exchange Rate, Remeasurement								6.3
Simadi Rate [Member]
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Foreign Currency Exchange Rate, Remeasurement	198.0		198.0		190.0	172.0
SICAD 1 Rate [Member]
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Foreign Currency Exchange Rate, Remeasurement		10.8		10.8
SICAD 2 Rate [Member]
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]
Foreign Currency Exchange Rate, Remeasurement							50.0