Restructuring (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2016	Sep. 30, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restructuring Costs [Abstract]
Impairment of other intangible assets	$ 1.5	$ 7.2	$ 1.6	$ 25.3	$ 78.1
Restructuring Program [Roll Forward]
Balance at beginning of period			20.9	2.0	2.5
Charged to expense - termination benefits			2.4	30.1	3.8
Charged to expense - other			2.9	2.8	0.9
Payments			(20.6)	(13.6)	(5.1)
Other, net			1.1	(0.4)	(0.1)
Balance at end of period			6.7	20.9	2.0
Restructuring Reserves [Abstract]
Restructuring reserves included in accrued liabilities			6.5	20.2
Restructuring reserves included in other liabilities			0.2	0.7
Industrials Restructuring Program [Member]
Restructuring Program [Roll Forward]
Balance at beginning of period			11.1	2.0	2.5
Charged to expense - termination benefits			3.6	21.0	3.8
Charged to expense - other			2.1	2.0	0.9
Payments			(13.2)	(13.3)	(5.1)
Other, net			0.7	(0.6)	(0.1)
Balance at end of period			4.3	11.1	2.0
Industrials Restructuring Program [Member] | Trademarks [Member]
Restructuring Costs [Abstract]
Impairment of other intangible assets	$ 1.5
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	0.0	0.0
Charged to expense - termination benefits			(0.1)	4.9	0.0
Charged to expense - other			0.7	0.8	0.0
Payments			(4.9)	(0.3)	0.0
Other, net			0.0	0.2	0.0
Balance at end of period			1.3	5.6	0.0
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	0.0	0.0
Charged to expense - termination benefits			(1.1)	4.2	0.0
Charged to expense - other			0.1	0.0	0.0
Payments			(2.5)	0.0	0.0
Other, net			0.4	0.0	0.0
Balance at end of period			1.1	$ 4.2	$ 0.0
Medical Restructuring Program [Member] | Other Operating Expense, Net [Member]
Restructuring Costs [Abstract]
Restructuring costs incurred to date			$ 3.2