Fair Value Measurements (Carrying Amounts And Fair Values Of Financial Instruments) (Details) - USD ($) $ in Millions	Jul. 01, 2016	Dec. 31, 2015
Assets:
Available-for-sale securities	$ 92.4	$ 342.3
Carrying amount
Assets:
Available-for-sale securities	92.4	342.3
Liabilities:
Notes payable and current portion of long-term debt	2,644.5	845.2
Long-term debt	12,007.7	12,025.2
Fair value
Assets:
Available-for-sale securities	92.4	342.3
Liabilities:
Notes payable and current portion of long-term debt	2,823.2	845.2
Long-term debt	$ 12,695.5	$ 12,471.4