Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Goodwill [Roll Forward]
Balance at beginning of period	$ 1,227.6
Acquisition	63.6
Foreign currency translation	17.1
Balance at end of period	1,308.3
Goodwill impairment charges	0.0
Amortized intangible assets [Abstract]
Accumulated amortization	(615.7)		$ (576.6)
Unamortized intangible assets [Abstract]
Total other intangible assets	2,064.9		2,007.8
Intangible asset amortization expense	30.9	$ 27.6
Future Amortization of Intangible Assets [Abstract]
2019	125.1
2020	125.1
2021	125.1
2022	125.1
2023	125.1
Industrials [Member]
Goodwill [Roll Forward]
Balance at beginning of period	561.6
Acquisition	63.6
Foreign currency translation	9.6
Balance at end of period	634.8
Energy [Member]
Goodwill [Roll Forward]
Balance at beginning of period	460.2
Acquisition	0.0
Foreign currency translation	4.9
Balance at end of period	465.1
Accumulated goodwill impairment losses	563.9
Medical [Member]
Goodwill [Roll Forward]
Balance at beginning of period	205.8
Acquisition	0.0
Foreign currency translation	2.6
Balance at end of period	208.4
Trademarks [Member]
Unamortized intangible assets [Abstract]
Gross carrying amount	628.7		623.5
Customer Lists and Relationships [Member]
Amortized intangible assets [Abstract]
Gross carrying amount	1,248.7		1,226.8
Accumulated amortization	(507.0)		(473.0)
Technology [Member]
Amortized intangible assets [Abstract]
Gross carrying amount	23.3		8.1
Accumulated amortization	(4.3)		(4.0)
Trademarks [Member]
Amortized intangible assets [Abstract]
Gross carrying amount	38.4		30.3
Accumulated amortization	(11.5)		(10.6)
Backlog [Member]
Amortized intangible assets [Abstract]
Gross carrying amount	70.5		65.5
Accumulated amortization	(67.4)		(65.5)
Other [Member]
Amortized intangible assets [Abstract]
Gross carrying amount	55.3		53.6
Accumulated amortization	$ (25.5)		$ (23.5)