Restructuring Costs - Reserve (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Beginning balance 1/1/15	$ 3.7
Pretax Restructuring Costs	2.7
Utilization and Foreign Exchange	(3.4)
Ending Balance 3/31/15	3.0
Current Year Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Beginning balance 1/1/15	0
Pretax Restructuring Costs	1.2
Utilization and Foreign Exchange	(1.2)
Ending Balance 3/31/15	0
Current Year Restructuring Actions | Severance
Restructuring Cost and Reserve [Line Items]
Beginning balance 1/1/15	0
Pretax Restructuring Costs	0.2
Utilization and Foreign Exchange	(0.2)
Ending Balance 3/31/15	0
Current Year Restructuring Actions | Asset write-downs
Restructuring Cost and Reserve [Line Items]
Beginning balance 1/1/15	0
Pretax Restructuring Costs	0.8
Utilization and Foreign Exchange	(0.8)
Ending Balance 3/31/15	0
Current Year Restructuring Actions | Facility closure and other costs
Restructuring Cost and Reserve [Line Items]
Beginning balance 1/1/15	0
Pretax Restructuring Costs	0.2
Utilization and Foreign Exchange	(0.2)
Ending Balance 3/31/15	0
Prior Year Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Beginning balance 1/1/15	3.7
Pretax Restructuring Costs	1.5
Utilization and Foreign Exchange	(2.2)
Ending Balance 3/31/15	3.0
Prior Year Restructuring Actions | Severance
Restructuring Cost and Reserve [Line Items]
Beginning balance 1/1/15	2.8
Pretax Restructuring Costs	0.1
Utilization and Foreign Exchange	(1.0)
Ending Balance 3/31/15	1.9
Prior Year Restructuring Actions | Asset write-downs
Restructuring Cost and Reserve [Line Items]
Beginning balance 1/1/15	0
Pretax Restructuring Costs	0
Utilization and Foreign Exchange	0
Ending Balance 3/31/15	0
Prior Year Restructuring Actions | Facility closure and other costs
Restructuring Cost and Reserve [Line Items]
Beginning balance 1/1/15	0.9
Pretax Restructuring Costs	1.4
Utilization and Foreign Exchange	(1.2)
Ending Balance 3/31/15	$ 1.1