Employee Benefits (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
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	3.1
Expected return on plan assets	(1.9)	(1.8)	(3.8)	(3.7)
Settlements and curtailments	0.0	0.0	0.0	0.0
Amortization of:
Prior service cost (credit)	0.0	0.0	0.0	0.0
Unrecognized actuarial losses	2.1	1.6	4.1	3.3
Net periodic cost	1.7	1.3	3.3	2.7
Actual Employer Contributions - Current Fiscal Year			1.9
Estimated Future Employer Contributions - Current Fiscal Year			1.0
Foreign Pension Plans
Defined Pension and Postretirement Benefit Plans
Service cost	2.4	2.4	4.9	4.9
Interest cost	4.7	5.9	9.4	11.8
Expected return on plan assets	(5.2)	(6.2)	(10.3)	(12.4)
Settlements and curtailments	0.2	0.0	0.2	0.0
Amortization of:
Prior service cost (credit)	0.1	0.1	0.1	0.1
Unrecognized actuarial losses	1.0	0.8	2.0	1.7
Net periodic cost	3.2	3.0	6.3	6.1
Actual Employer Contributions - Current Fiscal Year			11.5
Estimated Future Employer Contributions - Current Fiscal Year			11.0
Domestic Postretirement Benefit Plan
Defined Pension and Postretirement Benefit Plans
Service cost	0.0	0.0	0.0	0.0
Interest cost	0.3	0.5	0.7	0.9
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 cost (credit)	0.0	(0.1)	0.0	(0.1)
Unrecognized actuarial losses	0.0	0.0	0.0	0.0
Net periodic cost	$ 0.3	$ 0.4	$ 0.7	$ 0.8