Goodwill and Other Intangible Assets, Goodwill by Segment (Details) $ in Millions	12 Months Ended				36 Months Ended
	Dec. 31, 2018 USD ($) Entity		Dec. 31, 2017 USD ($) Entity		Dec. 31, 2017 USD ($) Business
Goodwill [Roll Forward]
Balance at beginning of period	$ 1,227.6		$ 1,154.7
Acquisitions	97.9		7.9
Foreign currency translation and other	(36.0)		65.0
Balance at end of period	$ 1,289.5		1,227.6		$ 1,227.6
Number of entities acquired	4				7
Industrials [Member]
Goodwill [Roll Forward]
Balance at beginning of period	$ 561.6		515.8
Acquisitions	89.2		7.9
Foreign currency translation and other	(18.1)	[1]	37.9
Balance at end of period	632.7		$ 561.6		$ 561.6
Increase in goodwill due to measurement period adjustments	1.0
Number of entities acquired | Entity			1
Energy [Member]
Goodwill [Roll Forward]
Balance at beginning of period	460.2		$ 439.9
Acquisitions	8.7		0.0
Foreign currency translation and other	(15.3)		20.3
Balance at end of period	453.6		460.2		460.2
Medical [Member]
Goodwill [Roll Forward]
Balance at beginning of period	205.8		199.0
Acquisitions	0.0		0.0
Foreign currency translation and other	(2.6)		6.8	[2]
Balance at end of period	$ 203.2		205.8		$ 205.8
Increase in goodwill due to measurement period adjustments			$ 0.4

[1] During the year ended December 31, 2018, the Company recorded an increase to goodwill of $1.0 million as a result of measurement period adjustments in the Industrials segment.

[2] During the year ended December 31, 2017, the Company recorded an increase to goodwill of $0.4 million as a result of measurement period adjustments in the Medical segment.