Pension Plans Funded Status of Non-U.S. Plans (Details) - Foreign Pension Plan [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Change in pension benefit obligation:
Benefit obligation at beginning of year	$ 326.9	$ 375.1
Service cost	3.5	4.9
Interest cost	7.4	8.4
Employee contributions	1.5	1.1
Benefits paid and other	(12.8)	(10.4)
Plan combinations/acquisitions	2.8	(5.9)
Actuarial loss (gain)	32.2	(17.0)
Amendments, settlements and curtailments	(1.6)	(1.7)
Foreign exchange rate impact	(24.5)	(27.6)
Benefit obligation at end of year	335.4	326.9
Change in plan assets:
Fair value of plan assets at beginning of year	196.7	214.9
Actual return on plan assets	17.9	(0.4)
Employer contributions	10.7	10.8
Employee contributions	1.5	1.1
Amendments and settlements	(0.5)	(1.7)
Benefits paid and other	(12.8)	(10.4)
Plan combinations/acquisitions	1.8	(3.4)
Foreign exchange rate impact	(17.2)	(14.2)
Fair value of plan assets at end of year	198.1	196.7
Funded status	$ (137.3)	$ (130.2)