Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Balance	$ 4,039,935	$ 4,039,935	$ 3,737,389
Acquisitions		314,633
Purchase price adjustments	6,892	5,991
Business disposition		(35,288)
Foreign currency translation		17,210
Balance	4,039,935	4,039,935
Energy Segment [Member]
Goodwill [Roll Forward]
Balance	1,048,022	1,048,022	1,047,180
Acquisitions		0
Purchase price adjustments		0
Business disposition		0
Foreign currency translation		842
Balance	1,048,022	1,048,022
Engineered Systems Segment [Member]
Goodwill [Roll Forward]
Balance	1,492,475	1,492,475	1,473,864
Acquisitions		19,948
Purchase price adjustments		363
Business disposition		(9,615)
Foreign currency translation		7,915
Balance	1,492,475	1,492,475
Fluids Segment [Member]
Goodwill [Roll Forward]
Balance	962,826	962,826	655,745
Acquisitions		294,685
Purchase price adjustments		4,860
Business disposition		0
Foreign currency translation		7,536
Balance	962,826	962,826
Refrigeration and Food Equipment Segment [Member]
Goodwill [Roll Forward]
Balance	536,612	536,612	$ 560,600
Acquisitions		0
Purchase price adjustments		768
Business disposition		(25,673)
Foreign currency translation		917
Balance	$ 536,612	536,612
2016 Acquisitions [Member]
Goodwill [Roll Forward]
Purchase price adjustments		$ 24,092