Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Other Expense, Net Disclosure
Interest Income	$ 7.7	$ 16.0	$ 14.7	$ 27.9
Interest Expense	(102.9)	(129.1)	(211.3)	(246.9)
Other Items, Net	3.0	1.5	(0.9)	6.3
Other Expense, Net	$ (92.2)	$ (111.6)	(197.5)	(212.7)
Losses on Extinguishment of Debt			3.0
Gain on Sale of Investments				$ 5.0
Costs associated with entering into interest rate swap arrangements			$ 7.5