Restructuring Costs - Reserve (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15	$ 3.7
Pre-tax Restructuring Costs	23.6	$ 5.1
Utilization and Foreign Exchange	(19.4)
Ending Accrued Restructuring Balance 12/31/2015	7.9	3.7
2015 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15	0.0
Pre-tax Restructuring Costs	19.2
Utilization and Foreign Exchange	(11.4)
Ending Accrued Restructuring Balance 12/31/2015	7.8	0.0
2014 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15	3.7
Pre-tax Restructuring Costs	4.4
Utilization and Foreign Exchange	(8.0)
Ending Accrued Restructuring Balance 12/31/2015	0.1	3.7
Severance | 2015 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15	0.0
Pre-tax Restructuring Costs	16.1
Utilization and Foreign Exchange	(8.7)
Ending Accrued Restructuring Balance 12/31/2015	7.4	0.0
Severance | 2014 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15	2.8
Pre-tax Restructuring Costs	(0.1)
Utilization and Foreign Exchange	(2.6)
Ending Accrued Restructuring Balance 12/31/2015	0.1	2.8
Asset write-downs | 2015 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15	0.0
Pre-tax Restructuring Costs	0.5
Utilization and Foreign Exchange	(0.5)
Ending Accrued Restructuring Balance 12/31/2015	0.0	0.0
Asset write-downs | 2014 Restructuring Actions
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 12/31/2015	0.0	0.0
Facility closure and other costs | 2015 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15	0.0
Pre-tax Restructuring Costs	2.6
Utilization and Foreign Exchange	(2.2)
Ending Accrued Restructuring Balance 12/31/2015	0.4	0.0
Facility closure and other costs | 2014 Restructuring Actions
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Balance 1/1/15	0.9
Pre-tax Restructuring Costs	3.6
Utilization and Foreign Exchange	(4.5)
Ending Accrued Restructuring Balance 12/31/2015	$ 0.0	$ 0.9