Employee Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
U.S. Pension Plans
Components of periodic benefit costs
Interest cost of projected benefit obligations	$ 1.3	$ 1.7	$ 4.0	$ 5.6
Expected return on plan assets	(1.2)	(1.4)	(3.7)	(4.6)
Amortization of actuarial net loss	0.8	0.9	2.4	3.0
Net periodic benefit costs	0.9	1.2	2.7	4.0
Net periodic benefit costs associated with MFS				0.4
U.S. Pension Plans | Continuing Operations
Components of periodic benefit costs
Net periodic benefit costs		1.2		3.6
Non-U.S. Pension Plans
Components of periodic benefit costs
Service cost - benefits earned during the period	0.4	0.5	1.3	1.4
Interest cost of projected benefit obligations	0.6	0.6	1.6	2.8
Expected return on plan assets	(0.4)	(0.5)	(1.1)	(2.2)
Amortization of actuarial net loss	0.4	0.2	1.2	0.9
Net periodic benefit costs	1.0	0.8	3.0	2.9
Net periodic benefit costs associated with MFS				0.4
Non-U.S. Pension Plans | Continuing Operations
Components of periodic benefit costs
Net periodic benefit costs		0.8		2.5
Postretirement Health and Other Plans
Components of periodic benefit costs
Service cost - benefits earned during the period	0.1	0.1	0.2	0.2
Interest cost of projected benefit obligations	0.2	0.4	0.7	1.3
Amortization of prior service cost	(0.3)		(1.0)
Amortization of actuarial net loss	0.1		0.3
Net periodic benefit costs	$ 0.1	0.5	$ 0.2	1.5
Net periodic benefit costs associated with MFS				0.1
Postretirement Health and Other Plans | Continuing Operations
Components of periodic benefit costs
Net periodic benefit costs		$ 0.5		$ 1.4