Pensions Funded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]
Cash contributions to retirement plans	$ 37.5	$ 49.6	$ 38.2
Fair value of available-for-sale investments contributed to defined benefit plans			27.1
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Employer Contributions in Next Fiscal Year	30.0
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Employer Contributions in Next Fiscal Year	50.0
Domestic Pension Benefits [Member]
Change in Projected Benefit Obligation [Roll Forward]
Benefit Obligation at Beginning of Year	1,291.1	449.2
Business combinations		849.0
Service costs		2.0
Interest costs	50.0	53.1	19.0
Settlements		(58.2)
Actuarial (gains) losses	(48.7)	76.7
Benefits paid	(79.3)	(80.7)
Benefit Obligation at End of Year	1,213.1	1,291.1	449.2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets at Beginning of Year	1,047.6	374.4
Business combinations		687.1
Actual return on plan assets	(28.3)	111.4
Employer contribution	5.4	13.6
Settlements		(58.2)
Benefits paid	(79.3)	(80.7)
Fair Value of Plan Assets at End of Year	945.4	1,047.6	374.4
Funded Status	(267.7)	(243.5)
Accumulated Benefit Obligation	1,213.1	1,258.3
Amounts Recognized in Balance Sheet [Abstract]
Current liability	(2.9)	(2.8)
Non-current liability	(264.8)	(240.7)
Net amount recognized	(267.7)	(243.5)
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]
Net actuarial loss	163.0	129.7
Net amount recognized	$ 163.0	$ 129.7
Weighted Average Assumptions Used to Determine Benefit Obligation [Abstract]
Discount rate	4.25%	4.00%
Average rate of increase in employee compensation	4.00%	4.00%
Non-U.S. Pension Benefits [Member]
Change in Projected Benefit Obligation [Roll Forward]
Benefit Obligation at Beginning of Year	$ 1,075.4	$ 857.9
Business combinations	52.7	135.1
Service costs	25.2	20.0	19.5
Interest costs	27.6	36.7	29.0
Settlements	(7.4)	(19.3)
Plan participants' contributions	4.6	3.8
Actuarial (gains) losses	(39.1)	170.3
Benefits paid	(29.6)	(32.0)
Currency translation and other	(73.4)	(97.1)
Benefit Obligation at End of Year	1,036.0	1,075.4	857.9
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets at Beginning of Year	825.8	670.7
Business combinations	32.1	96.5
Actual return on plan assets	12.4	141.0
Employer contribution	28.0	32.9
Settlements	(7.4)	(19.3)
Plan participants' contributions	4.6	3.8
Benefits paid	(29.6)	(32.0)
Currency translation and other	(48.7)	(67.8)
Fair Value of Plan Assets at End of Year	817.2	825.8	670.7
Funded Status	(218.8)	(249.6)
Accumulated Benefit Obligation	983.4	1,014.5
Amounts Recognized in Balance Sheet [Abstract]
Non-current asset	72.7	61.8
Current liability	(5.7)	(5.6)
Non-current liability	(285.8)	(305.8)
Net amount recognized	(218.8)	(249.6)
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]
Net actuarial loss	133.1	161.9
Prior service credits	(1.6)
Net amount recognized	$ 131.5	$ 161.9
Weighted Average Assumptions Used to Determine Benefit Obligation [Abstract]
Discount rate	2.83%	2.69%
Average rate of increase in employee compensation	3.06%	3.03%
Postretirement Benefits [Member]
Change in Projected Benefit Obligation [Roll Forward]
Benefit Obligation at Beginning of Year	$ 55.3	$ 38.7
Business combinations		14.9
Service costs	0.6	0.6
Interest costs	1.9	2.1
Plan participants' contributions	1.3	5.3
Actuarial (gains) losses	(2.2)	4.0
Benefits paid	(5.4)	(8.4)
Currency translation and other	(2.7)	(1.9)
Benefit Obligation at End of Year	48.8	55.3	38.7
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets at Beginning of Year	8.6	0.0
Business combinations		8.0
Actual return on plan assets	(1.1)	0.6
Employer contribution	4.1	3.1
Plan participants' contributions	1.3	5.3
Benefits paid	(5.4)	(8.4)
Fair Value of Plan Assets at End of Year	7.5	8.6	$ 0.0
Funded Status	(41.3)	(46.7)
Amounts Recognized in Balance Sheet [Abstract]
Non-current asset	3.8	4.8
Current liability	(2.6)	(2.7)
Non-current liability	(42.5)	(48.8)
Net amount recognized	(41.3)	(46.7)
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]
Net actuarial loss	4.7	4.6
Prior service credits	(0.2)	(0.3)
Net amount recognized	$ 4.5	$ 4.3
Weighted Average Assumptions Used to Determine Benefit Obligation [Abstract]
Discount rate	4.12%	3.76%
Initial healthcare cost trend rate	6.82%	7.07%
Ultimate healthcare cost trend rate	5.21%	5.22%
Postretirement Benefits [Member] | Minimum [Member]
Weighted Average Assumptions Used to Determine Benefit Obligation [Abstract]
Year that Healthcare Cost Rate Reaches Ultimate Trend Rate	2016
Postretirement Benefits [Member] | Maximum [Member]
Weighted Average Assumptions Used to Determine Benefit Obligation [Abstract]
Year that Healthcare Cost Rate Reaches Ultimate Trend Rate	2033