Restructuring Costs - Reserve (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		$ 3.7
Pre-tax Restructuring Costs	$ 7.8	19.5
Utilization and Foreign Exchange		(13.8)
Ending Accrued Restructuring Balance 9/30/2015	9.4	9.4
Current Year Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		0.0
Pre-tax Restructuring Costs		14.9
Utilization and Foreign Exchange		(5.9)
Ending Accrued Restructuring Balance 9/30/2015	9.0	9.0
Current Year Restructuring Actions | Severance
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		0.0
Pre-tax Restructuring Costs		12.5
Utilization and Foreign Exchange		(3.9)
Ending Accrued Restructuring Balance 9/30/2015	8.6	8.6
Current Year Restructuring Actions | Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		0.0
Pre-tax Restructuring Costs		1.1
Utilization and Foreign Exchange		(1.1)
Ending Accrued Restructuring Balance 9/30/2015	0.0	0.0
Current Year Restructuring Actions | Facility closure and other costs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		0.0
Pre-tax Restructuring Costs		1.3
Utilization and Foreign Exchange		(0.9)
Ending Accrued Restructuring Balance 9/30/2015	0.4	0.4
Prior Year Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		3.7
Pre-tax Restructuring Costs		4.6
Utilization and Foreign Exchange		(7.9)
Ending Accrued Restructuring Balance 9/30/2015	0.4	0.4
Prior Year Restructuring Actions | Severance
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		2.8
Pre-tax Restructuring Costs		(0.1)
Utilization and Foreign Exchange		(2.4)
Ending Accrued Restructuring Balance 9/30/2015	0.3	0.3
Prior Year Restructuring Actions | Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		0.0
Pre-tax Restructuring Costs		0.2
Utilization and Foreign Exchange		(0.2)
Ending Accrued Restructuring Balance 9/30/2015	0.0	0.0
Prior Year Restructuring Actions | Facility closure and other costs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		0.9
Pre-tax Restructuring Costs		4.5
Utilization and Foreign Exchange		(5.3)
Ending Accrued Restructuring Balance 9/30/2015	$ 0.1	$ 0.1