Fair Value Measurements, Assets and Liabilities (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Millions	Jun. 27, 2015	Dec. 31, 2014
Assets
Cash equivalents	$ 69.3	$ 617.3
Bank time deposits	2.0	8.5
Investments in mutual funds, unit trusts and other similar instruments	7.7	8.7
Insurance contracts	103.6	102.5
Derivative contracts	50.3	20.2
Total Assets	232.9	757.2
Liabilities
Derivative contracts	48.5	10.4
Contingent consideration	7.6	29.6
Total Liabilities	56.1	40.0
Quoted Prices in Active Markets (Level I) [Member]
Assets
Cash equivalents	69.3	617.3
Bank time deposits	2.0	8.5
Investments in mutual funds, unit trusts and other similar instruments	7.7	8.7
Total Assets	79.0	634.5
Significant Other Observable Inputs (Level 2) [Member]
Assets
Insurance contracts	103.6	102.5
Derivative contracts	50.3	20.2
Total Assets	153.9	122.7
Liabilities
Derivative contracts	48.5	10.4
Total Liabilities	48.5	10.4
Significant Unobservable Inputs (Level 3) [Member]
Liabilities
Contingent consideration	7.6	29.6
Total Liabilities	$ 7.6	$ 29.6