Restructuring (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2018	Dec. 31, 2017
Restructuring Program [Roll Forward]
Balance at beginning of period	$ 20.9
Charged to expense - termination benefits	0.0
Charged to expense - other	2.1
Payments	(12.6)
Other, net	0.8
Balance at end of period	11.2
Restructuring Reserves [Abstract]
Restructuring reserves included in accrued liabilities		$ 2.3	$ 6.5
Restructuring reserves included in other liabilities		$ 0.2	0.2
Industrials Restructuring Program [Member]
Restructuring Program [Roll Forward]
Balance at beginning of period	11.1
Charged to expense - termination benefits	0.7
Charged to expense - other	1.2
Payments	(7.2)
Other, net	0.6
Balance at end of period	6.4
Industrials Restructuring Program [Member] | Other Operating Expense, Net [Member]
Restructuring Costs [Abstract]
Restructuring costs incurred to date			38.5
Energy Restructuring Program [Member]
Restructuring Program [Roll Forward]
Balance at beginning of period	5.6
Charged to expense - termination benefits	(0.6)
Charged to expense - other	0.7
Payments	(3.4)
Other, net	0.0
Balance at end of period	2.3
Energy Restructuring Program [Member] | Other Operating Expense, Net [Member]
Restructuring Costs [Abstract]
Restructuring costs incurred to date			6.3
Medical Restructuring Program [Member]
Restructuring Program [Roll Forward]
Balance at beginning of period	4.2
Charged to expense - termination benefits	(0.1)
Charged to expense - other	0.2
Payments	(2.0)
Other, net	0.2
Balance at end of period	$ 2.5
Medical Restructuring Program [Member] | Other Operating Expense, Net [Member]
Restructuring Costs [Abstract]
Restructuring costs incurred to date			$ 3.2