Employee Benefits (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Domestic Pension Plan
Defined Pension and Postretirement Benefit Plans
Service cost	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Interest cost	1.5	1.5	3.0	3.0
Expected return on plan assets	(1.7)	(1.9)	(3.4)	(3.8)
Settlements and curtailments	0.0	0.0	0.0	0.0
Amortization of:
Prior service credit	0.0	0.0	0.0	0.0
Unrecognized actuarial losses	(1.2)	2.1	0.7	4.1
Net periodic cost	(1.4)	1.7	0.3	3.3
Foreign Pension Plans
Defined Pension and Postretirement Benefit Plans
Service cost	2.2	2.4	4.9	4.9
Interest cost	4.7	4.7	9.2	9.4
Expected return on plan assets	(5.3)	(5.2)	(10.6)	(10.3)
Settlements and curtailments	0.2	0.2	0.2	0.2
Amortization of:
Prior service credit	0.0	0.1	0.0	0.1
Unrecognized actuarial losses	0.9	1.0	1.8	2.0
Net periodic cost	2.7	3.2	5.5	6.3
Pension plan - employer contributions	13.5
Pension plan - estimated employer contributions for remainder of current fiscal year	13.0
Domestic Postretirement Benefit Plan
Defined Pension and Postretirement Benefit Plans
Service cost	0.0	0.0	0.0	0.0
Interest cost	0.3	0.3	0.7	0.7
Expected return on plan assets	0.0	0.0	0.0	0.0
Settlements and curtailments	0.0	0.0	0.0	0.0
Amortization of:
Prior service credit	0.1	0.0	0.0	0.0
Unrecognized actuarial losses	0.0	0.0	0.0	0.0
Net periodic cost	$ 0.4	$ 0.3	$ 0.7	$ 0.7