Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,843	$ 9,199	$ 7,856	$ 23,586
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			12,347
Provision			7,856
Payments			(11,768)
Foreign currency translation			461
Other, including write-offs of fixed assets			(193)
Severance and other restructuring reserve, ending balance	8,703		8,703
Engineered Systems Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	755	773	1,819	2,740
Fluids Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,046	2,764	4,297	7,990
Refrigeration and Food Equipment Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	36	52	1,549	73
Energy Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	6	5,610	191	12,026
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0	0	757
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			10,908
Provision			6,351
Payments			(10,382)
Foreign currency translation			408
Other, including write-offs of fixed assets			(458)
Severance and other restructuring reserve, ending balance	6,827		6,827
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			1,439
Provision			1,505
Payments			(1,386)
Foreign currency translation			53
Other, including write-offs of fixed assets			265
Severance and other restructuring reserve, ending balance	1,876		1,876
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	163	4,329	4,234	10,180
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,680	$ 4,870	$ 3,622	$ 13,406