Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 6,013	$ 14,387
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance	12,347
Provision	6,013
Payments	(8,710)
Foreign currency translation	247
Other, including write-offs of fixed assets	(928)
Severance and other restructuring reserve, ending balance	8,969
Energy Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	185	6,416
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,064	1,967
Fluids Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,251	5,226
Refrigeration and Food Equipment Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,513	21
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	757
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance	10,908
Provision	4,686
Payments	(7,514)
Foreign currency translation	212
Other, including write-offs of fixed assets	(627)
Severance and other restructuring reserve, ending balance	7,665
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance	1,439
Provision	1,327
Payments	(1,196)
Foreign currency translation	35
Other, including write-offs of fixed assets	(301)
Severance and other restructuring reserve, ending balance	1,304
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4,071	5,851
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,942	$ 8,536