Restructuring Costs - Reserve (Details) - Jun. 30, 2015 - USD ($) $ in Millions	Total	Total
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		$ 3.7
Pre-tax Restructuring Costs	$ 8.9	11.6
Utilization and Foreign Exchange		(9.7)
Ending Accrued Restructuring Balance 6/30/15	5.6	5.6
Current Year Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		0.0
Pre-tax Restructuring Costs		7.4
Utilization and Foreign Exchange		(3.0)
Ending Accrued Restructuring Balance 6/30/15	4.4	4.4
Current Year Restructuring Actions | Severance
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		0.0
Pre-tax Restructuring Costs		6.2
Utilization and Foreign Exchange		(1.8)
Ending Accrued Restructuring Balance 6/30/15	4.4	4.4
Current Year Restructuring Actions | Asset write-downs
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		0.0
Pre-tax Restructuring Costs		0.9
Utilization and Foreign Exchange		(0.9)
Ending Accrued Restructuring Balance 6/30/15	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		0.3
Utilization and Foreign Exchange		(0.3)
Ending Accrued Restructuring Balance 6/30/15	0.0	0.0
Prior Year Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15		3.7
Pre-tax Restructuring Costs		4.2
Utilization and Foreign Exchange		(6.7)
Ending Accrued Restructuring Balance 6/30/15	1.2	1.2
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		(2.2)
Ending Accrued Restructuring Balance 6/30/15	0.5	0.5
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 6/30/15	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		4.1
Utilization and Foreign Exchange		(4.3)
Ending Accrued Restructuring Balance 6/30/15	$ 0.7	$ 0.7