Fair Value Measurements, Assets and Liabilities (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Assets [Abstract]
Cash equivalents	$ 80.2	$ 64.8
Bank time deposits	2.0	2.0
Investments in mutual funds and other similar instruments	13.9	15.5
Warrants	4.3	2.0
Insurance contracts	114.7	102.1
Derivative contracts	7.3	15.8
Total Assets	222.4	202.2
Liabilities [Abstract]
Derivative contracts	121.0	121.9
Contingent consideration	42.8	3.4
Total Liabilities	163.8	125.3
Quoted Prices in Active Markets (Level I) [Member]
Assets [Abstract]
Cash equivalents	80.2	64.8
Bank time deposits	2.0	2.0
Investments in mutual funds and other similar instruments	13.9	15.5
Total Assets	96.1	82.3
Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Warrants	4.3	2.0
Insurance contracts	114.7	102.1
Derivative contracts	7.3	15.8
Total Assets	126.3	119.9
Liabilities [Abstract]
Derivative contracts	121.0	121.9
Total Liabilities	121.0	121.9
Significant Unobservable Inputs (Level 3) [Member]
Liabilities [Abstract]
Contingent consideration	42.8	3.4
Total Liabilities	$ 42.8	$ 3.4