Retirement Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Americas [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost	$ 0.5	$ 0.6	$ 1.0	$ 1.3
Expected return on plan assets	(1.1)	(1.2)	(2.3)	(2.3)
Amortization of actuarial loss	0.5	0.5	1.0	1.0
Total	(0.1)	(0.1)	(0.3)	0.0
Foreign Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost	0.7	0.9	1.5	2.0
Expected return on plan assets	(2.7)	(2.5)	(5.4)	(5.2)
Amortization of actuarial loss	0.7	0.5	1.3	1.0
Total	(1.3)	(1.0)	(2.6)	(2.1)
Defined Benefit Plan, Service Cost	$ 0.0	$ 0.1	$ 0.0	$ 0.1