Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Balance	$ 4,034,620	$ 3,737,389
Acquisitions	281,903
Purchase price adjustments	5,724
Business disposition	(9,615)
Foreign currency translation	19,219
Balance	4,034,620
Energy Segment [Member]
Goodwill [Roll Forward]
Balance	1,048,760	1,047,180
Acquisitions	0
Purchase price adjustments	0
Business disposition	0
Foreign currency translation	1,580
Balance	1,048,760
Engineered Systems Segment [Member]
Goodwill [Roll Forward]
Balance	1,471,528	1,473,864
Acquisitions	0
Purchase price adjustments	363
Business disposition	(9,615)
Foreign currency translation	6,916
Balance	1,471,528
Fluids Segment [Member]
Goodwill [Roll Forward]
Balance	952,397	655,745
Acquisitions	281,903
Purchase price adjustments	4,781
Business disposition	0
Foreign currency translation	9,968
Balance	952,397
Refrigeration and Food Equipment Segment [Member]
Goodwill [Roll Forward]
Balance	561,935	$ 560,600
Acquisitions	0
Purchase price adjustments	580
Business disposition	0
Foreign currency translation	755
Balance	$ 561,935